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Code d'Examen: E20-080
Nom d'Examen: EMC (Network Storage - SAN Implementation)
Questions et réponses: 210 Q&As

Code d'Examen: E20-885
Nom d'Examen: EMC (VNX Solutions Expert Exam for Implementation Engineers)
Questions et réponses: 163 Q&As

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NO.1 You are planning a CIFS DR solution for two existing EMC VNX. Each VNX has dual Control Stations.
Each VNX is also configured for a RecoverPoint protection solution on other VNX LUNs that are non-file
related. What recommendation would you give the customer concerning the CIFS DR solution?
A. Configure IP aliasing on the Control Stations for both source and destination VNX systems before
configuring VNX Replicator
B. Configure IP aliasing on the Control Stations for both source and destination VNX systems after
configuring VNX Replicator
C. Configure IP aliasing on the source VNX system Control Stations before configuring VNX Replicator,
and then configure IP aliasing on the destination VNX system Control Stations after configuring VNX
Replicator.
D. Configure IP aliasing on the source VNX system Control Stations before configuring VNX Replicator
and use RecoverPoint to provide protection of the source VNX Control Stations to the destination VNX.
Answer: A

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NO.2 A customer plans to connect ESXi 5.0 hosts to a new EMC VNX array. They want to take advantage of
the hardware-assisted locking feature in VAAI. Which is a feature of hardware-assisted locking?
A. Locking at the block level of a logical unit
B. Locking the LUN instead of the block level
C. Accessing a block from multiple hosts at the same time
D. Automatic enabling of safe data caching
Answer: A

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NO.3 A client has an EMC VNX configured with four storage ports, four 15-drive DAEs (disk array
enclosures) and a total of forty drives (20 NL-SAS and 20 SAS drives). The client is using RAID 5 (4+1)
RAID groups with a traditional LUN configuration.
What is the recommended SAS LCC port configuration for optimal performance?
A. Distribute drives evenly across all ports
B. Distribute drives on all odd ports
C. Distribute drives on all even ports
D. Distribute drives on a single port
Answer: A

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NO.4 A customer wants to replicate a CIFS environment from a legacy EMC Celerra to a new EMC VNX.
Users are able to access CIFS shares from both arrays. The CIFS shares are on different networks and
replication is not running. The customer wants to make sure there will be no network restrictions
preventing replication between the data movers on two different networks.
What TCP ports should they ask the network team to open?
A. 8888, 8887, 5081
B. 80, 443, 8080
C. 5057, 445, 5087
D. 23, 25, 22
Answer: A

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NO.5 A customer has a CIFS DR solution with EMC VNX using a One-to-Many replication topology. The
customer asks you to explain replication behavior under the following conditions:
Production site failover or switchover to a DR site
Replication start and reverse is performed
What would you advise the customer?
A. The original production site remains a One-to-Many replication source for the other remaining DR sites.
B. All remaining replications sessions to the other DR sites are suspended.
C. The original production site goes into cascade mode to remain a replication source for the remaining
DR sites.
D. The DR site becomes the replication source for the remaining DR sites and the original production site
is marked as invalid.
Answer: C

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NO.6 A customer has a Windows-only environment connected to an EMC VNX for File at their main campus
site. The customer plans to install a new EMC VNX at a remote branch office site. The new VNX will be
used to implement a DR solution for their main campus VNX using several deduplicated file systems
shared and available to clients via CIFS.
Which solution do you recommend to the customer?
A. Use VNX Replicator to replicate the VNX VDMs and associated file systems from the main campus site
to the VNX system at the branch office site to provide an asynchronous DR solution.
B. Use VNX Replicator to replicate the VNX VDMs and associated file systems from the main campus site
to the VNX system at the branch office site to provide a synchronous DR solution.
C. Use VNX SAN Copy to replicate the VNX block devices associated with the VNX file systems from the
main campus site to the VNX system at the branch office site to provide a synchronous DR solution.
D. Use VNX MirrorView/A to replicate the VNX block devices associated with the VNX file systems from
the main campus site to the VNX system at the branch office site to provide an asynchronous DR solution.
Answer: A

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NO.7 Click on the calculator icon in the upper left-hand corner.
A SQL database requires 1,000 I/O per second with 85% reads and 15% writes. If RAID 1/0 is used, what
is the total number of spindles required to generate the required I/O per second?
A. Ten 10K drives
B. Four 15K drives
C. One Flash drive
D. Fourteen 7.2K drives
Answer: A

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NO.8 A customer recently upgraded from vSphere v4.x to vSphere v5.0 to benefit from new VMFS-5 features
for their existing DataStore1 ¯ and DataStore2 ¯ datastores on an EMC VNX. A second identically
configured VNX was implemented and the customer created two additional datastores on the new VNX.
After monitoring the environment, the customer notices the VMs on DataStore1 ¯ and DataStore2 ¯
are not using the same sub-block structure as the two new datastores.
What is the reason for this behavior.?
A. The old VMs are on an upgraded VMFS-5 datastore.
B. The old VMs are still running old VMware tools.
C. The new VMFS-5 features need to be licensed and activated.
D. The new VMFS-5 cannot support two VNX storage systems.
Answer: A

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Code d'Examen: E20-805
Nom d'Examen: EMC (EMC Storage and Information Infrastructure Expert Exam for Techno)
Questions et réponses: 125 Q&As

Code d'Examen: E10-001
Nom d'Examen: EMC (Information Storage and Management Exam Version 2)
Questions et réponses: 200 Q&As

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NO.1 Which tool helps in analyzing the Exchange environment and provides reports on how the environment
compares with current best practices in deploying the Exchange environment?
A. ExBPA
B. Microsoft Windows Performance Monitor
C. loadsim
D. System Attendant
Answer: A

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NO.2 What should be done to throttle the amount of data being sent over the T3 line when new servers are
brought under RecoverPoint control?
A. Use the compression slider settings for best compression within the cluster
B. Use the balance_load CLI commands to distribute the CGs across the RPAs in the cluster evenly
C. Use the compression slider settings for best performance within the cluster
D. Use a combination of Distributed Consistency Group and bandwidth limits on the Oracle CGs in the
cluster
Answer: A

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NO.3 You have been asked to design a long-distance replication solution with MirrorView/S. You want to
simulate this Exchange environment and gather the baseline 200 km performance data and additional
simul-ations to perform failover testing.
Which tool should you use?
A. loadgen
B. loadsim
C. EPA
D. JetStress
Answer: A

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NO.4 How will this solution enable the customer to meet their cost savings objectives?
A. The new infrastructure will dramatically reduce implementation, testing and management efforts.
B. The new infrastructure will provide a centralized, multitenant logical architecture.
C. vStorage APIs will offload work from the hosts, allowing the hosts to scale more efficiently.
D. The highly available architecture with automated remote replication will reduce the frequency and cost
of downtime.
Answer: A

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NO.5 Topic 1, Scenario 27
Refer to the Exhibit.
A financial institution is implementing a disaster recovery (DR) solution for their key Oracle databases and
other critical data. RecoverPoint has been chosen as the replication technology to use for the DR solution.
For maximum protection, the replication uses CLR for all Oracle systems; CRR is used for all other data.
The production site uses Sun servers for the Oracle servers and Microsoft Windows Server 2008 hosts for
all other data repositories. Storage arrays for the Oracle servers are Symmetrix arrays. All other data and
business departments store their data on CLARiiON CX4 arrays.
Recently, the human resources and finance departments were migrated to the DMX to enhance security
and performance requirements.
This company also plans to bring in a new acquisition with AIX and VMware servers in the next six months.
The AIX servers will be placed on DMX storage and the VMware servers will be placed on CLARiiON
storage. Both are slated for CDP protection.
The DR site is located 2,500 km away from the production site. A dedicated T3 WAN link runs at 44 Mb/s.
Management and replication traffic will use separate VLANs. Each site contains eight RecoverPoint
appliances (RPAs) to maximize the performance and fault-tolerance business requirements. SANTap is
used for all Oracle splitting, and CX splitters are used for all other data.
To support the actual replication needs, 12 group sets were created to support the consistency within the
Oracle consistency groups. The policies on these sets include an RPO of 15 minutes.
The remainder of the data uses 54 consistency groups with an RPO of two hours.
1.What should be done to improve the performance of the WAN link for replication?
A. Enable QoS for the VLAN with RecoverPoint traffic
B. Set the link speed on the RPA to "max throughput"
C. Enable QoS on the Oracle consistency groups
D. Configure EtherChannel Link Aggregation for use with the WAN link
Answer: A

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NO.6 How can you leverage the Replication Manager (RM) infrastructure to securely provide copies of
production SQL data to the software development team?
A. Add members from the development team to the RM user list. Through RM, provide these users with
access only to specific SQL LUNs. Allow them to schedule their own replications.
B. Add members from the development team to the RM user list. Allow them to schedule their own
replications.
C. Add members from the development team to the RM user list. Through RM, provide these users with
access only to specific SQL LUNs. Allow them to create their own replication jobs.
D. Add members from the development team to the RM user list. Allow them to create their own
replication jobs.
Answer: A

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NO.7 The Security Operations team would like a way to quickly mitigate security vulnerabilities that are
reported by networking equipment vendors.
Which solution should be used to identify hospital equipment that is affected by these vulnerabilities?
A. EMC Ionix Network Configuration Manager Network Advisor
B. EMC Ionix Network Configuration Manager Report Advisor
C. RSA enVision
D. Application Discovery Manager
Answer: A

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NO.8 How would you justify the use of CLARiiON splitters in your design.?
A. To avoid an excessive number of ITLs created on the SANTap splitter
B. To take advantage of the VMware vCenter integration for protected virtual machines
C. To minimize the required hardware purchases if SANTap was used for all splitting
D. To separate the splitter load to reduce the expected high load on the WAN link
Answer: A

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Code d'Examen: E20-390
Nom d'Examen: EMC (VNX Solutions Specialist Exam for Implementation Engineers )
Questions et réponses: 333 Q&As

Code d'Examen: E20-690
Nom d'Examen: EMC (VNX Solutions Specialist Exam for Platform Engineers)
Questions et réponses: 116 Q&As

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NO.1 Refer to the exhibit.
Where is DM 3 located?
A. Location 6
B. Location 5
C. Location 7
D. Location 10
Answer: A

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NO.2 What IP address is assigned to the eth2 interface on a Control Station?
A. IP address for the B management network
B. IP address for the A management network
C. Public IP address for the customer's network
D. IP address for the peer Control Station
Answer: A

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NO.3 Refer to the exhibit.
Which component is located in location 3?
A. CS 1
B. CS 0
C. DAE 0
D. DAE 1
Answer: A

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NO.4 Where can you find the widest range of resources for VNX-related information?
A. VNX Family Product Page
B. Support by Product
C. Partners Web Page
D. IP Storage Handbook
Answer: A

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NO.5 What are the minimum components required to configure a VNX5500 for Block storage system?
A. Control Station, SP, DAE
B. Control Station, SP, DME
C. SP, DME, DAE
D. SPS, SPE, DAE
Answer: D

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NO.6 Which kind of back-end bus connectivity is supported on a VNX storage system?
A. 4 lane 6 Gb/s SAS
B. 4 lane 6 Gb/s FC
C. 2 lane 6 Gb/s SAS
D. 2 lane 6 Gb/s FC
Answer: A

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NO.7 How are SAS bus hardware IDs configured for the VNX enclosures?
A. Automatically assigned during system boot process
B. Assigned by the address switch located on each enclosure
C. Assigned by Unisphere Service Manager
D. Assigned by the Backend Bus Reset Wizard in Unisphere
Answer: A

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NO.8 Which VNX enclosures use a common motherboard architecture?
A. DME and SPE
B. DPE and SPE
C. DPE and 25-drive DAE
D. Control Station and DME
Answer: A

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Code d'Examen: E22-250
Nom d'Examen: EMC (Network Management - Smarts Administration)
Questions et réponses: 174 Q&As

Code d'Examen: E20-822
Nom d'Examen: EMC (CLARiiON Solutions Expert Exam for Storage Administrators)
Questions et réponses: 120 Q&As

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NO.1 A root-cause problem is presented that states one of a router interfaces is down. What is the
underlying issue?
A.Router interface is administratively down and operationally down.
B.Router interface is administratively up and operationally down.
C.Router is completely down.
D.SNMP Agent on that router is not responding.
Answer:B

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NO.2 The EMEA NOC, America NOC, and Asia NOC each has visibility to regional NOCs. Each regional
NOC implements one or more Smarts applications and uses its own Smarts Service Assurance Manager
to provide an end-to-end view of the region. What needs to be configured to architect EMC Smarts
solutions to view all regions?
A.Hierarchical SAM configuration
B.Smarts Aggregation Adapter
C.Smarts Topology Split Manager
D.Standard SAM configuration
Answer:A

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NO.3 Which Performance Monitor Setting will give early warning that an interface is too busy?
A.IPThreshold
B.Restart Trap Window
C.UnicastThreshold
D.UtilizationThreshold
Answer:D

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NO.4 Which sm_server parameters are required when starting a Service Assurance Manager?
A.--name and --config
B.--name and --port
C.--server and --config
D.--server and --port
Answer:A

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NO.5 What does the context filter determine when defining a tool?
A.If the tool is grayed out
B.If the tool is visible
C.The acceptable state for tool use
D.Which attributes are passed
Answer:B

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NO.6 Click the Exhibit button. A router monitored by these polling settings has just been polled, and the
operational status of Interface A is DOWN. Ten seconds after the initial poll, the interface operational
status changes to UP. How long will it take from the last poll for the IP Domain Manager to set this
interface's status to UP?
A.15 minutes
B.700 milliseconds
C.9 seconds
D.900 minutes
Answer:A

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NO.7 Click the Exhibit button. The current weights.conf file contains: ClassWeight ICIM_ManagedElement 1
Which impact value would be calculated for this Router Down problem?
A.102
B.1000
C.1002
D.10002
Answer:C

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NO.8 A switch appears down in Service Assurance Manager. After trying to troubleshoot the problem, an
operator finds out that the switch has been removed from service. Why didn't this switch automatically
become Unmanaged in Smarts?
A.IP Availability Manager needs to be restarted to remove this switch.
B.Other devices that were connected to this switch are still reachable by Smarts.
C.This switch requires rediscovery.
D.Unmanaging devices is a manual process.
Answer:D

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Code d'Examen: E20-018
Nom d'Examen: EMC (Virtualized Data Center and Cloud Infrastructure Design Specialist)
Questions et réponses: 290 Q&As

E20-018 Démo gratuit à télécharger: http://www.pass4test.fr/E20-018.html

NO.1 What is the first phase of the Virtual Data Center Design Process?
A. Evaluate technology options
B. Create plan
C. Perform initial analysis
D. Gather data
Answer: D

EMC   E20-018   E20-018   E20-018 examen   E20-018

NO.2 What is a key VDC and cloud planning consideration for IT governance?
A. Change management
B. Regulations
C. Separation of duties
D. Creating trust zones
Answer: B

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NO.3 What is the key business goal when consolidating by business application.?
A. Virtualize the compute environment for efficiency
B. Identify security gaps and increase security measures
C. Reduce footprint by decreasing energy and space requirements
D. Implement converged network technology for performance
Answer: A

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NO.4 When applying compliance principles to your company s VDC and cloud architectures, how should you
approach your information life cycle management strategy?
A. Data of reset
B. Archival and offsite storage
C. Production and backup
D. Inception to completion
Answer: B

EMC   E20-018   E20-018 examen   E20-018

NO.5 What are three attributes of a cloud services design?
A. Web-based APIs, shared resources, minimal capital expenditures
B. Static service, fixed priced access, improved economics
C. Accessed via a web portal, self-service, throttled access
D. Dedicated resources, usage-based pricing, web-based APIs
Answer: A

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NO.6 A customer has implemented a Vblock solution in their primary data centre. They are using a single
management tool set to configure and provisions the computer, network, and storage resources within the
Vblock.
Which management tool are they using?
A. EMC ControlCenter
B. EMC Unisphere
C. EMC United Infrastructure Manager
D. VMware vCenter
Answer: C

certification EMC   E20-018 examen   E20-018   E20-018

NO.7 Your client is considering a virtualized data center (VDC) as an investment in process improvement.
A VDC can improve the delivery of which business process?
A. Auditing
B. Business continuity / disaster recovery
C. Compliance
D. Capacity planning / management
Answer: D

certification EMC   E20-018 examen   E20-018

NO.8 A development organization uses a PaaS service from a public cloud to develop and test an application.
Once sending and verification are complete, the development team discovers that the cloud services
uses proprietary software in the PaaS clustering mailing and deployment of the application within their
production data center imposition without significant application records.
What this type of lock-in called?
A. Geographical lock-in
B. Technology lock-in
C. Cloud lock-in
D. Vendor lock-in
Answer: D

certification EMC   certification E20-018   E20-018   E20-018 examen

NO.9 A customer has asked you to develop a framework for assuming that the cloud Part of this will resume
an assessment development.
Where should you lock first for assessment criteria and technologies?
A. International standards
B. Internal IT development
C. Company metadata
D. Industry best practices
Answer: D

EMC examen   E20-018   E20-018   E20-018 examen   E20-018

NO.10 When using logging to maintain server security, which is the key element for intrusion detection and
should be contained the server logs?
A. Vulnerability scan that identifies susceptible services that are active on the server.
B. Results of penetration testing through uncover problem probable weaknesses.
C. An entry for each application transaction with details of the organization.
D. Alerts to suspicious activities that require further investigation.
Answer: D

EMC   E20-018 examen   E20-018

NO.11 What is its approach to addressing performance issues during the Virtualize phrase of the cloud
maturity mode?
A. Selective
B. Investigative
C. Proactive
D. Reactive
Answer: D

EMC   E20-018   certification E20-018   E20-018 examen   E20-018

NO.12 A midsize company has deployed centralized storage and is currently planning to virtualize their servers.
They have considered their application into Tiers, with Tier 1 application requiring the same service and
performance levels of the current servers.
They have purchased new, high capacity servers for the virtualized environment and are planning to
consolidate several physical servers into a single hypervisor. They are know determining the bandwidth
requirements of the application in order to purchase the current number of FCME CNAs for each server.
The results of their analysis for Tier 1 application are as follows: Average SAN Bandwidth: 3 Gb/s
Average LAN Bandwidth: 2 Gb/s
What is the minimum number of CNAs they would need to install an each server to meet the bandwidth
required for the Tier 1 application while providing CAN redundancy and high availability?
A. 1
B. 2
C. 3
D. 4
Answer: B

EMC examen   E20-018   E20-018   certification E20-018

NO.13 A large company with multiple heterogeneous arrays would like to take advantage of the performance
simplified management benefits of storage virtualization. They have a data center transformation pain that
includes producing power and cooling at a high priority.
Which storage virtualization method would meet their requirements?
A. Network-based storage tiering
B. Vertical storage tiering
C. Server-based storage tiering
D. Horizontal storage tiering
Answer: B

EMC   E20-018   certification E20-018   E20-018

NO.14 What would you identify as a business application in applying IT as a Service to IT processions?
A. Defined workflow request processes
B. Funded as a cost center
C. Virtual data center best practices
D. SLA-driven management
Answer: A

EMC   E20-018   E20-018 examen

NO.15 Which two capacity management objectives often conflict with each other?
A. Manageability and redundancy
B. Availability and security
C. Compliance and efficiency
D. Efficiency and availability
Answer: D

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Code d'Examen: E20-324
Nom d'Examen: EMC (VNX Solutions Design Exam for Technology Architects )
Questions et réponses: 117 Q&As

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NO.1 When documenting the customer environment prior to a storage refresh, you discover that the
customer has an issue their backups do not complete every job. How should you proceed?
A. Have the customer resolve the issue before continuing.
B. Note the issue in the Statement of Work and continue with planning.
C. Open a case for the backup issue and resolve it yourself.
D. No actionrequired:SOW does not include resolving this type of issue.
Answer: A

EMC examen   certification E20-324   E20-324

NO.2 Refer to the exhibit.
What type of VNX MPFS configuration is illustrated with this topology?
A. VNX gateway with FC
B. VNX with iSCSI/FC
C. VNX with iSCSI/FCoE
D. VNX gateway with MPFSi
Answer: D

EMC examen   certification E20-324   certification E20-324   E20-324

NO.3 While gathering performance data during peak workloads, which type of collection method is best
suited?
A. Larger periods of data collection over shorter intervals
B. Smaller periods of data collection over shorter intervals
C. Smaller periods of data collection over larger intervals
D. Larger periods of data collection over larger intervals
Answer: C

EMC examen   E20-324   E20-324 examen

NO.4 Your customer needs help understanding Unisphere statistics on a VNX, specifically the Number of
Write Cache Pages. How do you explain this metric to the customer?
A. It is displayed per each SP, and the total number is derived from the sum of both SPs.
B. It is displayed per entire array, and the total number is half the sum of both SPs.
C. It is displayed per each SP, and the total number is four times the sum of both SPs.
D. When FAST Cache is enabled, the number includes the FAST Cache plus the sum of both SPs.
Answer: A

EMC   E20-324   certification E20-324   certification E20-324

NO.5 Which RecoverPoint/SE data protection methodology enables block protection as well as a file DR
solution?
A. RecoverPoint/SE CRR
B. RecoverPoint/SE CLR
C. RecoverPointt/SE CDP
D. RecoverPoint/SE CDP and CRR
Answer: A

EMC   certification E20-324   E20-324 examen   E20-324 examen

NO.6 A customer wants to write a script that needs to list all linked remote VNX arrays for file-based
replication. What CLI command should you recommend?
A. nas_cel -list
B. nas_cel -info
C. nas_replicate -info
D. nas_replicate -list
Answer: A

certification EMC   E20-324   certification E20-324   E20-324

NO.7 Which protocols are the best solution for Grid Computing and High Performance Computing
environments?
A. iSCSI, FCoE
B. pNFS, MPFS
C. CIFS, NFS
D. FTP, SMB2
Answer: B

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NO.8 While gathering existing customer environment information to provide a new VNX storage system
solution, you have found many different HBA types, servers, operating systems, and other SAN hardware.
Which wizard within E-Lab Navigator can be used to validate a new VNX storage solution?
A. SOE & Software Wizard
B. CLARiiON Host Attach Wizard
C. Switch Interoperability Wizard
D. Storage Array Wizard
Answer: C

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NO.9 During your design analysis you have gathered current storage configuration data and matched storage
volumes with server data. You have discovered some inconsistencies with the collected data.
What should the next step be?
A. Resolve any inconsistencies with the customer according to best practices.
B. Let the implementation engineer resolve the inconsistencies.
C. Note the inconsistencies and forward a redesign to the implementation engineer.
D. Resolve the inconsistencies yourself according to best practices.
Answer: A

EMC examen   E20-324   E20-324

NO.10 Refer to the exhibit.
What type of VNX configuration is illustrated with this topology?
A. VNX MPFS with iSCSI/FC
B. VNX MPFS with FC/FCoE
C. VNX gateway with iSCSI/FC
D. VNX gateway with FC
Answer: A

EMC   E20-324   certification E20-324   E20-324

NO.11 Your customer has purchased a VNX to upgrade the storage for an Exchange Server cluster. What tool
should you use to gather performance data from the Exchange cluster?
A. iostat
B. sar
C. esxtop
D. perfmon
Answer: D

certification EMC   certification E20-324   E20-324

NO.12 When interviewing customer personnel, you learn of two sets of requirements:
-The technical team has a specific set of requirements that they have to meet. -The manager has a
financial requirement that has to be met.
As you begin to design, it becomes clear that, in order to meet the technical goal, the financial
requirement will be exceeded. What should you do?
A. Let both teams know of the constraints and see if there can be a mutual resolution.
B. Since this is a technical project you should design to the technical team requirements.
C. Because the manager is paying for the equipment, limit the design to fit into the financial constraints.
D. Design to the technical requirement and then take enough storage out to meet the financial goal.
Answer: A

EMC   E20-324   certification E20-324

NO.13 The majority of your customer's servers have highly utilized database applications that require
predictable performance.
What type of storage do you recommend.?
A. RAID Groups with traditional LUNs
B. Storage groups with thick LUNs
C. Pool with traditional LUNs
D. RAID Groups with thin LUNs
Answer: A

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NO.14 You are preparing a detailed VNX presentation for a technically-oriented customer. VNX arrays have
been in their environment for over a year. One objective of the meeting is to go over historical data. The
customer indicated that they would like to see Unisphere statistics as part of the analysis.
Assuming that statistics logging was enabled from day one, how long does the Unisphere GUI keep its
real-time statistics?
A. Real-time statistics are stored for 1 month.
B. Real-time statistics cannot be saved to disk.
C. Real-time statistics are stored for 3 months, unless the frequency interval is less than 5 minutes.
D. Real-time statistics are stored indefinitely, but requires a dedicated collection server.
Answer: B

EMC examen   E20-324   E20-324   certification E20-324   E20-324 examen   E20-324

NO.15 You are gathering data from a customer environment. You have to process a number of configuration
reports.
What tool provides a simple method of processing the data gathering configuration?
A. Unisphere Analyzer
B. Collect Support Materials
C. E-Lab Advisor
D. CLARiiON Configuration Builder
Answer: C

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Code d'Examen: E20-880
Nom d'Examen: EMC (VNX Solutions Expert Exam for Technology Architects)
Questions et réponses: 128 Q&As

E20-880 Démo gratuit à télécharger: http://www.pass4test.fr/E20-880.html

NO.1 A customer is checking a NAR file in Unisphere Analyzer. They see that a RAID Group with only a single
LUN is shown with consistently large Disk - Average Seek Distances.
What could this indicate?
A. Randomness of the I/O
B. Write utilization
C. LUN misalignment
D. Applicationburstiness
Answer: A

EMC examen   E20-880 examen   E20-880

NO.2 A customer would like to use five Ethernet ports on a VNX to increase the port and switch availability.
Two non-stackable Ethernet switches are available for the VNX and both support Full Duplex
communications.
How should the customer configure the VNX for the network?
A. Fail Safe Networking and Link Aggregation
B. Link Aggregation only
C. EtherChannel and Fail Safe Networking
D. EtherChannel only
Answer: A

EMC examen   certification E20-880   E20-880 examen   E20-880   certification E20-880

NO.3 A SQL Data Warehouse database is replicating between two VNX storage systems with Incremental
San Copy. The production database is on 15, 15k rpm SAS drives and the Reserved LUN Pool uses five
NL-SAS drives. The database is continuously updated locally and replicated once a day to maximize the
benefits of write folding. Replication takes place from 6 PM until 10 PM. At 6 PM the storage administrator
notices an increase in response time of the application, which steadily improves until 10 PM.
What should be done to improve performance during replication without affecting recovery data
granularity?
A. Put the Reserve LUN Pool on a similar disk and RAID type as the source volume.
B. Create a clone of the source volume and replicate the clone.
C. Expand the number of drives in the source volume to accommodate the increased I/O from the
replication session.
D. Adjust the San Copy throttle to minimize the impact to the production application.
Answer: A

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NO.4 A customer has designed an environment using block based LUNs presented to individual hosts. They
have configured a pool to start using both thick and thin LUNs. One of the standalone servers is an
archive server running on Windows. They want to maximize capacity on the standalone server since the
data is no longer accessed. They have no more drives to increase LUN capacity.
How can the customer increase available capacity to the archive server?
A. Compress the data on the block based LUN
B. Add capacity to the existing LUN
C. Delete old files
D. Back up the files, reconfigure the LUN, and restore the data
Answer: A

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NO.5 A company has added a large number of users to a VMware VDI deployment. The users are
complaining that the system (VNX-Block) is slow, especially when they start their shift. You have been
tasked to provide an economical solution.
Which technology would you use to improve performance?
A. FAST Cache
B. FAST VP
C. FAST
D. Fast VPN
Answer: A

EMC   certification E20-880   E20-880   certification E20-880   E20-880

NO.6 Which action would be most effective in reducing the performance impact of a Snapshot on a Source
LUN?
A. Using faster disks for the Source LUN
B. Using faster disks for the Reserved LUN Pool
C. Increasing the Snapshot chunk size
D. Increasing the Snapshot write-aside size
Answer: A

EMC   E20-880   certification E20-880   E20-880 examen   E20-880

NO.7 A client has asked for assistance with designing his Exchange environment. The environment today is
fully virtualized and Exchange will be as well. The client is concerned about local recovery and has
decided to make VMware snapshots of their VMFS File system housing Exchange. The VMware servers
are all attached through fiber to a VNX.
What volume type is required to meet the customer's protection needs?
A. Virtual Mode RDMs
B. Physical Mode RDMs
C. VMFS
D. Dedicated RAID Group LUNs
Answer: A

certification EMC   E20-880 examen   E20-880 examen

NO.8 A customer is in the design phase of their SQL server implementation. They request your guidance
concerning the number of disk drives needed to properly configure the database for performance. The
current utilization of the database is shown below:
-80% reads and 20% writes
-10K SAS disks
-RAID 5
-1150 IOPS
What is the minimum number of disk spindles required to service the random I/O requests during usage of
the SQL Server database?
A. 12
B. 14
C. 18
D. 20
Answer: B

EMC   E20-880   certification E20-880

NO.9 A customer is in the design phase of their SQL server implementation. They request your guidance
concerning the number of disk drives needed to properly configure the database for performance. The
current utilization of the database is shown below:S
-85% reads and 15% writes
-10K SAS disks
-RAID 1/0
-1150 IOPS
What is the minimum number of disk spindles required to service the random I/O requests during usage of
the SQL Server database?
A. 8
B. 10
C. 12
D. 14
Answer: B

certification EMC   certification E20-880   E20-880   E20-880

NO.10 A customer would like to configure their VNX for File for the highest possible level of client availability.
There are five Ethernet ports on a single DataMover and a single Ethernet switch available for client
communications.
What availability features would you recommend to the customer?
A. Link Aggregation Control Protocol only
B. EtherChannel port aggregation and Fail Safe Networking
C. Fail Safe Networking and Link Aggregation Control Protocol
D. EtherChannel port aggregation only
Answer: A

EMC   E20-880   certification E20-880   E20-880 examen

NO.11 You are working with a customer to design a VNX for Block solution for their SQL database. They
currently have a CX4-480. In the past they have co-located their database and log files. In the new VNX
design, the database will be placed in a FAST VP enabled pool. The transaction logs will be placed on a
traditional RAID Group. Your customer needs help determining the number of spindles they need to
satisfy the needs of their transaction logs.
You know the following: -Transactionperiod:8 hours (business day) -Throughput during transaction
period:240 GB
How many RAID 1/0 15K spindles will the transaction log volume require?
A. 4
B. 8
C. 10
D. 16
Answer: D

EMC   E20-880 examen   E20-880   certification E20-880

NO.12 Your customer has a new VNX solution configured with Flash, SAS, and NL-SAS drives. The customer
requires their OLTP, VDI, Software Development, and Regulatory Compliance workloads to be distributed
between the different drive types. Due to limited drive quantities only one workload type can be configured
using Flash drives.
According to best practices which configuration best assigns the workloads.?
A. VDI on Flash drives; OLTP on SAS; Software Development on SAS; Regulatory Compliance on
NL-SAS
B. OLTP on Flash drives; VDI on SAS; Regulatory Compliance on SAS; Software Development on
NL-SAS
C. OLTP on Flash drives; VDI on SAS; Software Development on SAS; Regulatory Compliance on
NL-SAS
D. VDI on Flash drives; OLTP on SAS; Regulatory Compliance on SAS; Software Development on
NL-SAS
Answer: A

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NO.13 You are migrating a backup application that runs on physical servers to a VDC. The VDC storage is
currently a VNX configured with NL-SAS drives only. Your customer is concerned about the cost to
achieve reasonable performance. You are designing the VMs that will support the application.
Based on cost, which would be the first solution you would recommend?
A. VMware Paravirtual SCSI virtual adapter
B. Virtual adapter is BusLogic Parallel
C. FAST VP Pool (Flash and SAS drives)
D. SAS RAID Group
Answer: A

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NO.14 A VNX storage system is being configured to provide storage for an Exchange 2010 implementation for
2,000 users. Performance and reliability are more important than cost for the customer.
What RAID configuration should be used?
A. A RAID 1/0 Group, spread across two DAEs on two separate storage system busses
B. Two RAID 5 Groups in a striped metaLUN across two DAEs, one from each back end bus
C. A RAID 1/0 Group on a single DAE
D. A RAID 6 Group which can accommodate two simultaneous drive failures
Answer: A

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NO.15 A customer has created a thin LUN, enabled compression on a LUN Pool, and installed their Exchange
environment. The Exchange application is showing poor performance.
Which workload characteristic of Exchange would produce poor access times on a compressed LUN?
A. Small random writes
B. Small random reads
C. Sequential reads
D. Uncompressed or host based data
Answer: A

EMC   E20-880   E20-880

NO.16 A pair of VNX storage arrays is replicating between two data centers over an iSCSI connection. The
SQL Admin has noticed that a small OLTP database with a write size of 4k periodically experiences
increased disk response times. The Storage Admin reports that during the same period, replication
sessions are taking longer to complete. The Network Admin reports degraded performance between the
sites during the same period.
Why is the SQL application seeing increased disk response times from the local array?
A. Increased latency causes the MirrorView/A update cycles to take longer, increasing COFW activity.
B. The 64 KB chunk size for MirrorView/A does not match the small transaction size of the database,
increasing the bandwidth required between the arrays.
C. The MirrorView/A update cycle time is too short. It should be increased to improve write folding.
D. The MirrorView/A buffer size should be adjusted to match the smaller write I/O size.
Answer: A

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NO.17 A customer has a VNX system to provide storage for a VMware Cluster with five ESX hosts. Each ESX
host has one dual-port FC HBA connected to two FC switches. They are using VMware native failover
functionality for high availability and load-balancing.
The customer requires higher availability for the ESX host connectivity to the storage system.
What would you recommend to the customer?
A. Use dual HBAs with dual ports on each ESX host.
B. Use a host-based load balancing solution.
C. Use high quality stackable FC switches.
D. Current configuration ensures the best availability.
Answer: A

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NO.18 As a result of suffering a catastrophic failure, your customer has requested a DR solution. The solution
must introduce a higher level of availability for their Exchange 2010 system. You have recommended a
strategy that involves Replication Manager with native DAG.
In what state(s) of the database would the replication occur?
A. Either active or passive
B. Active only
C. Passive only
D. Neither active nor passive
Answer: A

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NO.19 A customer is about to implement your VNX for File design for a file-sharing environment. The design
specifies both NFS and Windows clients that access file systems in a multi-threaded manner. All file
systems will be created using the Automatic Volume Manager. The customer is most concerned with disk
efficiency, and wants to use all storage in each pool entry before creating another.
Which value would you change to meet this requirement?
A. is_greedy
B. slice
C. is_dynamic
D. stripesize
Answer: A

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NO.20 Your customer is designing a Proof of Concept with SQL Server attached to a VNX. The storage
design includes seven LUNs on a RAID Group. The system is generally very heavily loaded, with a
particularly high load on the cache. This is a very carefully controlled environment and your customer has
asked for assistance in planning the layout of the LUN location on the physical spindles.
Where in the RAID Group would you recommend placing the two heavily used LUNs for a short-stroked
architecture?
A. Adjacent to each other at the beginning
B. One at beginning and one at the end
C. Adjacent to each other in the middle
D. Evenly placed, as non-adjacent as possible
Answer: A

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Code d'Examen: E20-554
Nom d'Examen: EMC (Isilon Design Specialist Exam for Technology Architects)
Questions et réponses: 81 Q&As

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NO.1 When conducting high-level interviews with stakeholders of a project, what are the key
questions that should be asked?
A.How much usable storage are you looking for? What client OS will access this storage? Which
applications will access this storage?
B.Which backup application is in use today?
What is your change rate?
How many clients will connect to the cluster?
C.What does your network architecture look like?
Do you have existing NAS infrastructure?
Do you have 10Gb or 1Gb ethernet?
Which applications will access this storage?
D.Who are the application owners?
How much usable storage is needed?
What applications will be accessing the storage?
How many users are in your Active Directory?
Answer: A

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NO.2 You set up a meeting to gather information on a new project with the IT manager and plan to
use a workflow profile assessment (WPA) to document the requirements.
Why is it recommended to talk to as many stakeholders as possible?
A. Completing this document gives sales a list of who the stakeholders are at customer site.
B. Helps downstream personnel, such as implementation and delivery, to have a clearer
understanding of the requirements.
C. Using workflow profile enables sales to take this information to EMC consulting for review to
validate the configuration.
D. Using the WPA tool will give you the best "big picture" to see things such as block size, de-dupe,
file size and volumes.
Answer: B

EMC   E20-554 examen   E20-554

NO.3 When designing Isilon solutions, which issue should you pay special attention to?
A. Create a workflow document
B. Conduct stakeholder interviews
C. Follow all SSD sizing rules
D. Meet customer expectations
Answer: D

EMC   certification E20-554   certification E20-554   E20-554

NO.4 You meet a customer for the first time. They explain that their current environment for NAS
does not meet their needs. You want to make sure that Isilon is a good fit for their needs.
What would be a good prequalifying question to ask?
A. What applications access this storage?
B. What type of racks are in your datacenter?
C. Are you using a KVM to access your storage?
D. How many NICs do your clients have?
Answer: A

EMC   certification E20-554   E20-554 examen

NO.5 Your customer purchased an Isilon cluster with eight X400 nodes for Home Directories. Your
follow-up discussions have uncovered an opportunity to expand the cluster to support the Legal
Department. As you prepare to complete the Workflow Profile Document, you meet with the
customer to discuss data protection.
Which key areas should you address?
A.Default cluster protection level Additional directory level protections Snapshots and replication
B.WORM requirements Network ports for replication Snapshots for user restores
C.Default cluster protection level Backup windows and processes Concurrency of user access
D.Protocols (SMB, NFS, FTP , HTTP , HDFS) Authentication and Directory Services Performance and
latency concerns
Answer: A

EMC   E20-554   E20-554 examen

NO.6 You are reviewing an opportunity with a trusted advisor. You both discover gaps in the initial
solution design.
Each iterative discussion with the customer helps you define the solution better. The documents
produced capture the customer's requirements.
What else needs to occur to refine the sizing considerations?
A. Complete your Solution Design Document and forward to EMC consulting.
B. Validate the Workflow Profile Assessment and test the solution against your findings.
C. Review you assumptions and ask the customer what business issue you're solving.
D. Provide the CIO with the findings and gain commitment to a Proof of Concept.
Answer: B

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NO.7 When designing Isilon solutions, what issues should you pay special attention to?
A.Avoid being too enthusiastic over the technology Balance technical and business requirements
Provide options Design to meet customer expectations
B.Workflow Document Solutions Document Application types Data strategy
C.Solutions Document Balance technical and business requirements Provide options Practical vs.
theoretical implementations
D.Solutions Document Balance technical and business requirements Downstream hand-off Design
to meet customer expectations
Answer: A

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NO.8 What key considerations should be kept in mind when designing a 300TB solution?
A.Workflow management Defining class of service Time of day services RPO and RTO Data retention
and backup
B.Defining class of service Time of day services ROI and TCO Data retention and backup
C.SmartPools Smartconnect Snapshots Space for snapshots
D.Always include 2% SSD SmartPools Smartconnect Snapshots InsightIQ
Answer: A

EMC   certification E20-554   E20-554 examen

NO.9 You have had several discussions with your customer in the processor design industry. They
have stated that they want a Scale-Out NAS platform for their design environment. Their most
significant responses were "We have 125 design engineers accessing large diagrams and we need
high throughput to support them. Can we also get the highest performance available? We need to
stay ahead of our competitors." Other areas you discussed were their data retention policies and
workflow after the chip design is completed. They plan to archive the design files but the files must
stay on line.
What is your initial node recommendation?
A. A-Series nodes for the active diagrams and X-Series nodes for the archives.
B. S-Series nodes for the active diagrams and NL Series nodes for the archives
C. X-Series nodes for the active diagrams and NL 400 nodes for the archives
D. X-Series nodes with SSD for the active diagrams and NL nodes for the archives
Answer: B

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NO.10 You meet a customer for the first time. They explain that their current environment for NAS
does not meet their needs. You want to make sure that Isilon is a good fit for their needs.
What would be a good prequalifying question to ask?
A. What application are you using to create directories?
B. Is your datacenter ISO9001 compliant?
C. What protocols are accessing your NAS?
D. How many users are in your Directory Services?
Answer: C

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Code d'Examen: E20-324
Nom d'Examen: EMC (VNX Solutions Design Exam for Technology Architects )
Questions et réponses: 117 Q&As

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NO.1 Refer to the exhibit.
What type of VNX configuration is illustrated with this topology?
A. VNX MPFS with iSCSI/FC
B. VNX MPFS with FC/FCoE
C. VNX gateway with iSCSI/FC
D. VNX gateway with FC
Answer: A

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NO.2 A customer wants to write a script that needs to list all linked remote VNX arrays for file-based
replication. What CLI command should you recommend?
A. nas_cel -list
B. nas_cel -info
C. nas_replicate -info
D. nas_replicate -list
Answer: A

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NO.3 Refer to the exhibit.
What type of VNX MPFS configuration is illustrated with this topology?
A. VNX gateway with FC
B. VNX with iSCSI/FC
C. VNX with iSCSI/FCoE
D. VNX gateway with MPFSi
Answer: D

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NO.4 You are preparing a detailed VNX presentation for a technically-oriented customer. VNX arrays have
been in their environment for over a year. One objective of the meeting is to go over historical data. The
customer indicated that they would like to see Unisphere statistics as part of the analysis.
Assuming that statistics logging was enabled from day one, how long does the Unisphere GUI keep its
real-time statistics?
A. Real-time statistics are stored for 1 month.
B. Real-time statistics cannot be saved to disk.
C. Real-time statistics are stored for 3 months, unless the frequency interval is less than 5 minutes.
D. Real-time statistics are stored indefinitely, but requires a dedicated collection server.
Answer: B

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NO.5 During your design analysis you have gathered current storage configuration data and matched storage
volumes with server data. You have discovered some inconsistencies with the collected data.
What should the next step be?
A. Resolve any inconsistencies with the customer according to best practices.
B. Let the implementation engineer resolve the inconsistencies.
C. Note the inconsistencies and forward a redesign to the implementation engineer.
D. Resolve the inconsistencies yourself according to best practices.
Answer: A

EMC   E20-324 examen   E20-324   E20-324

NO.6 Which RecoverPoint/SE data protection methodology enables block protection as well as a file DR
solution?
A. RecoverPoint/SE CRR
B. RecoverPoint/SE CLR
C. RecoverPointt/SE CDP
D. RecoverPoint/SE CDP and CRR
Answer: A

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NO.7 While gathering existing customer environment information to provide a new VNX storage system
solution, you have found many different HBA types, servers, operating systems, and other SAN hardware.
Which wizard within E-Lab Navigator can be used to validate a new VNX storage solution?
A. SOE & Software Wizard
B. CLARiiON Host Attach Wizard
C. Switch Interoperability Wizard
D. Storage Array Wizard
Answer: C

EMC   certification E20-324   E20-324

NO.8 Your customer needs help understanding Unisphere statistics on a VNX, specifically the Number of
Write Cache Pages. How do you explain this metric to the customer?
A. It is displayed per each SP, and the total number is derived from the sum of both SPs.
B. It is displayed per entire array, and the total number is half the sum of both SPs.
C. It is displayed per each SP, and the total number is four times the sum of both SPs.
D. When FAST Cache is enabled, the number includes the FAST Cache plus the sum of both SPs.
Answer: A

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NO.9 Your customer has purchased a VNX to upgrade the storage for an Exchange Server cluster. What tool
should you use to gather performance data from the Exchange cluster?
A. iostat
B. sar
C. esxtop
D. perfmon
Answer: D

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NO.10 The majority of your customer's servers have highly utilized database applications that require
predictable performance.
What type of storage do you recommend.?
A. RAID Groups with traditional LUNs
B. Storage groups with thick LUNs
C. Pool with traditional LUNs
D. RAID Groups with thin LUNs
Answer: A

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NO.11 When documenting the customer environment prior to a storage refresh, you discover that the
customer has an issue their backups do not complete every job. How should you proceed?
A. Have the customer resolve the issue before continuing.
B. Note the issue in the Statement of Work and continue with planning.
C. Open a case for the backup issue and resolve it yourself.
D. No actionrequired:SOW does not include resolving this type of issue.
Answer: A

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NO.12 While gathering performance data during peak workloads, which type of collection method is best
suited?
A. Larger periods of data collection over shorter intervals
B. Smaller periods of data collection over shorter intervals
C. Smaller periods of data collection over larger intervals
D. Larger periods of data collection over larger intervals
Answer: C

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NO.13 When interviewing customer personnel, you learn of two sets of requirements:
-The technical team has a specific set of requirements that they have to meet. -The manager has a
financial requirement that has to be met.
As you begin to design, it becomes clear that, in order to meet the technical goal, the financial
requirement will be exceeded. What should you do?
A. Let both teams know of the constraints and see if there can be a mutual resolution.
B. Since this is a technical project you should design to the technical team requirements.
C. Because the manager is paying for the equipment, limit the design to fit into the financial constraints.
D. Design to the technical requirement and then take enough storage out to meet the financial goal.
Answer: A

EMC examen   E20-324 examen   E20-324   E20-324

NO.14 Which protocols are the best solution for Grid Computing and High Performance Computing
environments?
A. iSCSI, FCoE
B. pNFS, MPFS
C. CIFS, NFS
D. FTP, SMB2
Answer: B

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NO.15 You are gathering data from a customer environment. You have to process a number of configuration
reports.
What tool provides a simple method of processing the data gathering configuration?
A. Unisphere Analyzer
B. Collect Support Materials
C. E-Lab Advisor
D. CLARiiON Configuration Builder
Answer: C

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Code d'Examen: E20-880
Nom d'Examen: EMC (VNX Solutions Expert Exam for Technology Architects)
Questions et réponses: 128 Q&As

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NO.1 As a result of suffering a catastrophic failure, your customer has requested a DR solution. The solution
must introduce a higher level of availability for their Exchange 2010 system. You have recommended a
strategy that involves Replication Manager with native DAG.
In what state(s) of the database would the replication occur?
A. Either active or passive
B. Active only
C. Passive only
D. Neither active nor passive
Answer: A

EMC examen   E20-880   E20-880   E20-880   E20-880

NO.2 You are migrating a backup application that runs on physical servers to a VDC. The VDC storage is
currently a VNX configured with NL-SAS drives only. Your customer is concerned about the cost to
achieve reasonable performance. You are designing the VMs that will support the application.
Based on cost, which would be the first solution you would recommend?
A. VMware Paravirtual SCSI virtual adapter
B. Virtual adapter is BusLogic Parallel
C. FAST VP Pool (Flash and SAS drives)
D. SAS RAID Group
Answer: A

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NO.3 A customer has designed an environment using block based LUNs presented to individual hosts. They
have configured a pool to start using both thick and thin LUNs. One of the standalone servers is an
archive server running on Windows. They want to maximize capacity on the standalone server since the
data is no longer accessed. They have no more drives to increase LUN capacity.
How can the customer increase available capacity to the archive server?
A. Compress the data on the block based LUN
B. Add capacity to the existing LUN
C. Delete old files
D. Back up the files, reconfigure the LUN, and restore the data
Answer: A

EMC   E20-880 examen   E20-880   E20-880

NO.4 A pair of VNX storage arrays is replicating between two data centers over an iSCSI connection. The
SQL Admin has noticed that a small OLTP database with a write size of 4k periodically experiences
increased disk response times. The Storage Admin reports that during the same period, replication
sessions are taking longer to complete. The Network Admin reports degraded performance between the
sites during the same period.
Why is the SQL application seeing increased disk response times from the local array?
A. Increased latency causes the MirrorView/A update cycles to take longer, increasing COFW activity.
B. The 64 KB chunk size for MirrorView/A does not match the small transaction size of the database,
increasing the bandwidth required between the arrays.
C. The MirrorView/A update cycle time is too short. It should be increased to improve write folding.
D. The MirrorView/A buffer size should be adjusted to match the smaller write I/O size.
Answer: A

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NO.5 A customer has a VNX system to provide storage for a VMware Cluster with five ESX hosts. Each ESX
host has one dual-port FC HBA connected to two FC switches. They are using VMware native failover
functionality for high availability and load-balancing.
The customer requires higher availability for the ESX host connectivity to the storage system.
What would you recommend to the customer?
A. Use dual HBAs with dual ports on each ESX host.
B. Use a host-based load balancing solution.
C. Use high quality stackable FC switches.
D. Current configuration ensures the best availability.
Answer: A

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NO.6 A customer would like to use five Ethernet ports on a VNX to increase the port and switch availability.
Two non-stackable Ethernet switches are available for the VNX and both support Full Duplex
communications.
How should the customer configure the VNX for the network?
A. Fail Safe Networking and Link Aggregation
B. Link Aggregation only
C. EtherChannel and Fail Safe Networking
D. EtherChannel only
Answer: A

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NO.7 A VNX storage system is being configured to provide storage for an Exchange 2010 implementation for
2,000 users. Performance and reliability are more important than cost for the customer.
What RAID configuration should be used?
A. A RAID 1/0 Group, spread across two DAEs on two separate storage system busses
B. Two RAID 5 Groups in a striped metaLUN across two DAEs, one from each back end bus
C. A RAID 1/0 Group on a single DAE
D. A RAID 6 Group which can accommodate two simultaneous drive failures
Answer: A

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NO.8 You are working with a customer to design a VNX for Block solution for their SQL database. They
currently have a CX4-480. In the past they have co-located their database and log files. In the new VNX
design, the database will be placed in a FAST VP enabled pool. The transaction logs will be placed on a
traditional RAID Group. Your customer needs help determining the number of spindles they need to
satisfy the needs of their transaction logs.
You know the following: -Transactionperiod:8 hours (business day) -Throughput during transaction
period:240 GB
How many RAID 1/0 15K spindles will the transaction log volume require?
A. 4
B. 8
C. 10
D. 16
Answer: D

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NO.9 A client has asked for assistance with designing his Exchange environment. The environment today is
fully virtualized and Exchange will be as well. The client is concerned about local recovery and has
decided to make VMware snapshots of their VMFS File system housing Exchange. The VMware servers
are all attached through fiber to a VNX.
What volume type is required to meet the customer's protection needs?
A. Virtual Mode RDMs
B. Physical Mode RDMs
C. VMFS
D. Dedicated RAID Group LUNs
Answer: A

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NO.10 A customer is about to implement your VNX for File design for a file-sharing environment. The design
specifies both NFS and Windows clients that access file systems in a multi-threaded manner. All file
systems will be created using the Automatic Volume Manager. The customer is most concerned with disk
efficiency, and wants to use all storage in each pool entry before creating another.
Which value would you change to meet this requirement?
A. is_greedy
B. slice
C. is_dynamic
D. stripesize
Answer: A

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NO.11 Your customer is designing a Proof of Concept with SQL Server attached to a VNX. The storage
design includes seven LUNs on a RAID Group. The system is generally very heavily loaded, with a
particularly high load on the cache. This is a very carefully controlled environment and your customer has
asked for assistance in planning the layout of the LUN location on the physical spindles.
Where in the RAID Group would you recommend placing the two heavily used LUNs for a short-stroked
architecture?
A. Adjacent to each other at the beginning
B. One at beginning and one at the end
C. Adjacent to each other in the middle
D. Evenly placed, as non-adjacent as possible
Answer: A

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NO.12 A customer is in the design phase of their SQL server implementation. They request your guidance
concerning the number of disk drives needed to properly configure the database for performance. The
current utilization of the database is shown below:
-80% reads and 20% writes
-10K SAS disks
-RAID 5
-1150 IOPS
What is the minimum number of disk spindles required to service the random I/O requests during usage of
the SQL Server database?
A. 12
B. 14
C. 18
D. 20
Answer: B

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NO.13 A customer is in the design phase of their SQL server implementation. They request your guidance
concerning the number of disk drives needed to properly configure the database for performance. The
current utilization of the database is shown below:S
-85% reads and 15% writes
-10K SAS disks
-RAID 1/0
-1150 IOPS
What is the minimum number of disk spindles required to service the random I/O requests during usage of
the SQL Server database?
A. 8
B. 10
C. 12
D. 14
Answer: B

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NO.14 A customer would like to configure their VNX for File for the highest possible level of client availability.
There are five Ethernet ports on a single DataMover and a single Ethernet switch available for client
communications.
What availability features would you recommend to the customer?
A. Link Aggregation Control Protocol only
B. EtherChannel port aggregation and Fail Safe Networking
C. Fail Safe Networking and Link Aggregation Control Protocol
D. EtherChannel port aggregation only
Answer: A

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NO.15 Your customer has a new VNX solution configured with Flash, SAS, and NL-SAS drives. The customer
requires their OLTP, VDI, Software Development, and Regulatory Compliance workloads to be distributed
between the different drive types. Due to limited drive quantities only one workload type can be configured
using Flash drives.
According to best practices which configuration best assigns the workloads.?
A. VDI on Flash drives; OLTP on SAS; Software Development on SAS; Regulatory Compliance on
NL-SAS
B. OLTP on Flash drives; VDI on SAS; Regulatory Compliance on SAS; Software Development on
NL-SAS
C. OLTP on Flash drives; VDI on SAS; Software Development on SAS; Regulatory Compliance on
NL-SAS
D. VDI on Flash drives; OLTP on SAS; Regulatory Compliance on SAS; Software Development on
NL-SAS
Answer: A

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NO.16 Which action would be most effective in reducing the performance impact of a Snapshot on a Source
LUN?
A. Using faster disks for the Source LUN
B. Using faster disks for the Reserved LUN Pool
C. Increasing the Snapshot chunk size
D. Increasing the Snapshot write-aside size
Answer: A

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NO.17 A customer is checking a NAR file in Unisphere Analyzer. They see that a RAID Group with only a single
LUN is shown with consistently large Disk - Average Seek Distances.
What could this indicate?
A. Randomness of the I/O
B. Write utilization
C. LUN misalignment
D. Applicationburstiness
Answer: A

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NO.18 A company has added a large number of users to a VMware VDI deployment. The users are
complaining that the system (VNX-Block) is slow, especially when they start their shift. You have been
tasked to provide an economical solution.
Which technology would you use to improve performance?
A. FAST Cache
B. FAST VP
C. FAST
D. Fast VPN
Answer: A

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NO.19 A customer has created a thin LUN, enabled compression on a LUN Pool, and installed their Exchange
environment. The Exchange application is showing poor performance.
Which workload characteristic of Exchange would produce poor access times on a compressed LUN?
A. Small random writes
B. Small random reads
C. Sequential reads
D. Uncompressed or host based data
Answer: A

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NO.20 A SQL Data Warehouse database is replicating between two VNX storage systems with Incremental
San Copy. The production database is on 15, 15k rpm SAS drives and the Reserved LUN Pool uses five
NL-SAS drives. The database is continuously updated locally and replicated once a day to maximize the
benefits of write folding. Replication takes place from 6 PM until 10 PM. At 6 PM the storage administrator
notices an increase in response time of the application, which steadily improves until 10 PM.
What should be done to improve performance during replication without affecting recovery data
granularity?
A. Put the Reserve LUN Pool on a similar disk and RAID type as the source volume.
B. Create a clone of the source volume and replicate the clone.
C. Expand the number of drives in the source volume to accommodate the increased I/O from the
replication session.
D. Adjust the San Copy throttle to minimize the impact to the production application.
Answer: A

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