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E20-260 VPLEX Specialist Exam for Implementation Engineers Question and Answers

Question # 4

What can you use to generate a list of VPLEX fabric initiator and target identifiers?

A.

Atlas WWN Tool

B.

Solve Desktop

C.

Support.EMC.com

D.

Unisphere for VPLEX

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Question # 5

An EMC customer wants to add a mirror to a VPLEX Local RAID 0 device. Which RAID type is created after the device attach-mirror command is issued?

A.

RAID 1

B.

RAID 0

C.

RAID S

D.

RAID C

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Question # 6

Refer to the exhibit.

You are implementing a VPLEX Metro configuration, and some BE ports are not logged into the fabric.

Which VPLEX command should be performed?

A.

set topology p2p

B.

set enabled=true

C.

set topology loop

D.

set port speed

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Question # 7

VPLEX ndu pre-check command reports a time drift between directors and the Management Server. How must the NDU be performed?

A.

The NDU cannot be started. the time drift must be resolved.

B.

The NDU can be started using --skip-confirmations option.

C.

The NDU can be started. the time drift will be automatically fixed during upgrade.

D.

The NDU must be started using the --force option.

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Question # 8

Which command-line option can be invoked within VPlexcli as a task to recognize and use new LUNs provisioned to a cluster?

A.

storage-volume discover

B.

storage-volume resurrect

C.

storage-volume find-array

D.

storage-volume claim

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Question # 9

Refer to the exhibit.

You have created a Distributed Device in a VPLEX Metro. You want to confirm the volumes before performing a mobility job within the cluster. You will be moving the device to cluster 1.

Which object will be the source for this operation?

A.

extent_Symm0841_03A7_1

B.

DD_8_32012Nov26_183659

C.

Symm0841_03A7

D.

DD_7_3

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Question # 10

You are administering a VPLEX Metro configuration. When is it necessary to create a logging volume?

A.

Before creating a distributed device

B.

After creating a local device

C.

After creating a mobility job

D.

Before performing an NDU

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Question # 11

What VPLEX user account is required to manage user security?

A.

admin

B.

service

C.

root

D.

user

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Question # 12

Refer to the exhibit.

Which VPLEX configuration is shown?

A.

VPLEX Metro/GEO dual engine

B.

VPLEX Local quad engine

C.

VPLEX Metro/GEO quad engine

D.

VPLEX Local dual engine

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Question # 13

Refer to the exhibit.

The customer has not followed EMC best practices when cabling their VS2 VPLEX engine. What action would you recommend to fix this issue?

A.

Swap ports 00 with ports 01 of both director A and director B.

B.

Swap port 02 with port 03 of both director A and director B.

C.

Add two more additional fabrics and place each director in its own fabric.

D.

Separate all FE and BE ports into their own fabric.

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Question # 14

A customer has ordered a two-engine VPLEX cluster to be installed in a custom rack. A minimal VNX5300 is already installed in the middle of the rack, occupying nine rack unit spaces.

What is the correct approach to deploy the two-engine VPLEX cluster?

A.

The engines and SPSs can be placed under the VNX5300 and the other components above the VNX5300 using longer cables.

B.

Use a rack with sufficient space to install all the VPLEX cluster components together according to the predefined EMC layout.

C.

The installation of a two engine cluster is not supported in a customer rack without a formal EMC RPQ.

D.

The EMC account team must order a factory installed VPLEX two engine configuration and ship the custom install VPLEX back to EMC.

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Question # 15

You are preparing to migrate the topology of an installed VPLEX Local system. What is a supported upgrade path?

A.

Local to Geo to Global

B.

Local to Metro

C.

Local to Global

D.

Local to Metro to Geo

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Question # 16

A dual fan failure occurs on a single VPLEX engine.

What will be the result?

A.

The engine will shut down immediately.

B.

Director B only will shut down.

C.

Director A only will shut down.

D.

The engine will shut down after three minutes.

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Question # 17

After registering Cluster-2 with ESRS during a VPLEX Metro cluster build, what is the next step to perform before the cluster is successfully built?

A.

Complete EZ-Setup Wizard on Cluster-2

B.

Configure WAN connections on Cluster-1

C.

Complete EZ-Setup Wizard on Cluster-1

D.

Configure WAN connections on Cluster-2

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Question # 18

A customer wants to implement VPLEX between two datacenters 200 km apart. The latency between the sites is 15 ms.

Which VPLEX topology is recommended?

A.

Metro

B.

Geo

C.

Local

D.

Global

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Question # 19

A customer has a VPLEX Metro installed. They asked you to recommend a method to non-disruptively move Virtual Volumes from a storage array at Cluster 1 to a storage array at Cluster 2. What would you recommend?

A.

Use the Device Mobility feature of VPLEX.

B.

Use the Extent Mobility feature of VPLEX.

C.

Change the RAID protection to RAID 0

D.

Use array-based features to copy the storage volume, then rediscover the array.

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Question # 20

Refer to the exhibit.

Which tab of the VPLEX Unisphere Management Console GUI contains a link to VPLEX product documentation?

A.

Support

B.

Provision Storage

C.

Mobility Central

D.

System Status

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Question # 21

Refer to the exhibit.

You have created a Distributed Device in a VPLEX Metro system. Which VPLEX Object can be placed in a Storage View for Cluster-1?

A.

DD_8_3_vol

B.

DD_8_32012Nov26_183659

C.

Symm0841_03A7

D.

extent_Symm0841_03A7_1

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Question # 22

What is the maximum supported latency for a VPLEX Metro implementation?

A.

2 ms

B.

50 ms

C.

5 ms

D.

15 ms

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Question # 23

In Unisphere for VPLEX, which storage array does not require a mapping file when claiming storage volumes?

A.

VNX

B.

CLARiiON

C.

Celerra

D.

Symmetrix

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Question # 24

You created a synchronous consistency group, which contains two distributed volumes configured with the rule "set cluster-1-detaches".

What is the expected behavior of the virtual volumes in the event of a WAN-COM failure?

A.

cluster-1 is declared the winner after 5 seconds and I/O will continue at that cluster.

B.

I/O will continue at both clusters.

C.

I/O will be suspended at both clusters until the WAN-COM is repaired.

D.

cluster-2 is declared the winner after 5 seconds and I/O will continue at that cluster.

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Question # 25

Which command script must be executed when upgrading a small VPLEX to medium VPLEX?

A.

VPlexadmin add-engines

B.

director add

C.

VPlexadmin set

D.

VPlexadmin add-directors

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Question # 26

When creating logging and metadata volumes, which LUN requirement applies to both volumes?

A.

Array LUNs must be zeroed-out.

B.

Array LUNs must be RAID 0

C.

Array LUNs must be thin.

D.

Array LUNs must be RAID 1

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Question # 27

During the installation of a small VPLEX Metro, the command ‘configuration continue-system-setup’ is issued. What is accomplished by this command?

A.

Back-end array discovery

B.

Host initiator discovery

C.

Second cluster initial setup

D.

Witness configuration

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Question # 28

Which element does VPLEX Witness require?

A.

Virtual Volume

B.

Distributed Volume

C.

Distributed Device

D.

Consistency Group

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Question # 29

Refer to the exhibit.

What is the purpose of VPLEX Witness in a Metro environment?

A.

Prevent cluster link failure and stop I/O transfer.

Split consistency groups and failover consistency groups.

B.

Send notifications and pause I/O transfer.

Initiate vault dump and failover consistency groups.

C.

Observe state of the clusters and suspend I/O.

Execute health check and resume I/O.

D.

Observe the state of the clusters and distinguish link outages.

Intercluster failures and resume or suspend I/O.

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Question # 30

You have added a new storage array into VPLEX, but it does not see it. Which VPLEX command will display the new storage array?

A.

vplexcli./clusters/cluster-/storage-elements/storage-arrays/array re-discover

B.

vplexcli:/array claim -s

C.

vplexcli:/clusters/cluster-//storage-elements/storage-arrays>array used-by-array

D.

vplexcli:/connectivity validate-be

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Question # 31

You created a synchronous consistency group, which contains two distributed volumes configured with the rule "set cluster-1-detaches".

What is the expected behavior of the virtual volumes in the event of a WAN-COM failure?

A.

cluster-2 is declared the winner after 5 seconds and I/O will continue at that cluster.

B.

I/O will continue at both clusters.

C.

I/O will be suspended at both clusters until the WAN-COM is repaired.

D.

cluster-1 is declared the winner after 5 seconds and I/O will continue at that cluster.

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