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EMC E20-260 VPLEX Specialist Exam for Implementation Engineers Exam Practice Test

Demo: 31 questions
Total 210 questions

VPLEX Specialist Exam for Implementation Engineers Questions and Answers

Question 1

How do you verify that the VPLEX upgrade has completed successfully?

Options:

A.

Log into the VPLEX Unisphere interface.

B.

Run the cluster-summary command.

C.

Check that the system LED is green on each director.

D.

Run the ndu pre-check command.

Question 2

Refer to the exhibit.

A customer is moving some VMAX devices under a VPLEX Local and is using PowerPath as multipath software. What is the preferred PowerPath load balancing policy assigned to VPLEX volumes?

Options:

A.

Fixed

B.

Adaptive

C.

Round Robin

D.

SymOpt

Question 3

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

Options:

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

Question 4

You present additional LUNs to VPLEX. Which command must be executed to make them visible to VPLEX?

Options:

A.

Array discover

B.

Array re-discover

C.

Array claim

D.

Storage-volume find-array

Question 5

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

Options:

A.

Atlas WWN Tool

B.

Solve Desktop

C.

Support.EMC.com

D.

Unisphere for VPLEX

Question 6

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?

Options:

A.

Use the Device Mobility feature of VPLEX.

B.

Use the Extent Mobility feature of VPLEX.

C.

Change the RAID protection to RAID

D.

Use array-based features to copy the storage volume.

Question 7

How can you throttle the migration rate for VPLEX?

Options:

A.

By configuring the maximum copy speed

B.

By setting the copy policy

C.

This is done automatically without any user action

D.

By dynamically changing the I/O write size for copying

Question 8

A customer has a VPLEX Metro/GEO environment and is requesting that the VPLEX Witness be installed.

The requirements for the Witness are:

  • One vCPU
  • 512MB ram
  • 2.5GB storage space

What platform type is supported?

Options:

A.

64bit ESX4.0 and above

B.

32/64bit ESXi 5.0

C.

64bit MS Hyper-V 2012

D.

VMware Workstation 9.0 and above

Question 9

What is the maximum number of Virtual Volumes that can be created in a VPLEX Version 5 Cluster?

Options:

A.

2000

B.

4000

C.

8000

D.

16000

Question 10

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?

Options:

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.

Question 11

Which vplexcli command will ensure that the directors SSD firmware has been upgraded to the correct version after the VPLEX NDU?

Options:

A.

version -a --verbose

B.

director firmware show-banks

C.

version -a

D.

ll /**/internal-disks/*

Question 12

What aspect of VPLEX assigns and remembers chunk ownership?

Options:

A.

Meta-Directory

B.

Repository

C.

Share Groups

D.

Consistency Groups

Question 13

What is a key advantage of integrating VPLEX into a VMware environment?

Options:

A.

If VM data is shared across arrays or across data centers it becomes problematic, VPLEX solves these problems.

B.

Without VPLEX, Motion can only migrate to other disks within the same array.

C.

VMware HA can only replicate across data centers to same-type arrays. VPLEX allows data stores to live on any array-type.

D.

Without VPLEX, all of an ESX server's data must reside on the same array.

Question 14

You need to claim storage that is presented to VPLEX from a VNX. What is required in order to create the mapping file needed by the VPLEX Claim Storage Wizard?

Options:

A.

A host with solutions enabler installed and zoned to SPA and SPB

B.

The user name, password and management address of the VNX

C.

A host with WinSCP installed, with an IP connection to the VPLEX Management Server

D.

The username and password of the VPLEX Management Server

Question 15

You are doing a code upgrade on a VPLEX. In which directory do you put the upgrade files in order to execute the code upgrade?

Options:

A.

/tmp/vfs

B.

/diags/collect-diagnostics-out

C.

/tmp/VPlexInstallPackages

D.

/tmp/diags

Question 16

What is the recommended protection to be used when creating a VPLEX Logging Volume?

Options:

A.

RAID-1

B.

Raid-C

C.

RAID-0

D.

Mapping

Question 17

Refer to the exhibit.

During a short power disruption to cluster 2, director-2-1-A failed. Power was restored after 5 minutes. In examining the output of the vault status command, you note that cluster-2's status reads "Cluster is not vaulting/unvaulting".

Why did this message appear?

Options:

A.

The power disruption affected a single director only.

B.

There was no power disruption at cluster-1

C.

The power disruption did not affect all "A" directors.

D.

The vaulting process runs on cluster-1

Question 18

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

Options:

A.

VNX

B.

CLARiiON

C.

Celerra

D.

Symmetrix

Question 19

How many management Ethernet connections exist between the management server and the engines?

Options:

A.

2

B.

4

C.

6

D.

8

Question 20

A customer wants to refresh the underlying array that comprises one-half of their local RAID-1 mirrors. Their intent is to remove the discarded mirror from VPLEX control, but as a rollback procedure, they want to ensure the detached device is a consistent copy of the original data. What is the proper way to perform this operation, meeting the customer's requirements?

Options:

A.

Exclude the "--discard" option in VPlexcli when detaching the mirror

B.

Include the "--discard" option in VPlexcli when detaching the mirror

C.

Utilize the GUI to detach the mirror consistently

D.

Utilize the GUI to teardown the virtual volume

Question 21

Refer to the exhibit.

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

Options:

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.

Question 22

What is the role of the port with the WWN 5000144270061010 on a VS2 engine?

Options:

A.

Back-end

B.

Front-end

C.

Local-COM

D.

WAN-COM

Question 23

Refer to the exhibit.

Reference the message type shown at point "1". What type of response will be sent back to the SNMP management server from the SNMP Agent?

Options:

A.

A poll response containing requested data

B.

A trap response containing requested data

C.

A poll response that initiates a trap response

D.

A trap response containing all MIB data

Question 24

A new VPLEX cluster has been configured. However, you are unable to register any host initiators. After verifying that the host has been properly zoned to the VPLEX cluster, you still cannot register them. What is a possible cause?

Options:

A.

Front end ports have not been enabled.

B.

Back-end ports have not been enabled.

C.

Back-end arrays have not presented any LUNs.

D.

Storage View for host has not been created.

Question 25

In addition to Active Directory, with what other directory service can VPLEX integrate for user authentication?

Options:

A.

LDAP

B.

NIS

C.

NDS

D.

PAM

Question 26

In which asynchronous Consistency Group Operation stage are the delta sets written to the storage arrays?

Options:

A.

Commit

B.

Closed

C.

Exchange

D.

Open

Question 27

In a customer's VPLEX Metro environment, a host has been provisioned as a single virtual volume from cluster-1. The customer now needs to convert the local virtual volume to a distributed device.

How can the customer accomplish this?

Options:

A.

Add an unused virtual volume from cluster-2 as a remote mirror to the virtual volume on cluster-1

B.

Add an unused device from cluster-2 as a remote mirror to the virtual volume on cluster-1

C.

Enable remote access to an unused virtual volume from cluster-2 and add it as a remote mirror.

D.

Enable remote access to an unused device from cluster-2 and add it as a remote mirror.

Question 28

In the distributed cache architecture, how much local cache does a VS2 director have?

Options:

A.

36GB

B.

64GB

C.

32GB

D.

72GB

Question 29

Starting in Geosyncrony version 5.1 what are the minimum password requirements?

Options:

A.

Fourteen characters, including numbers, upper-case and lower-case letters and special characters

B.

Seven characters, including numbers

C.

Eight characters, including numbers, and special characters

D.

Ten characters, including numbers, upper-case and lower-case letters, and special characters

Question 30

When should front-end ports be enabled during a VPLEX installation?

Options:

A.

After creating the meta-volumes and backup

B.

Before creating the meta-volumes and backup

C.

Before launching the VPLEX EZ-Setup Wizard

D.

After exposing storage to the hosts

Question 31

Refer to the exhibit.

During a short power disruption to cluster 2, director-2-1-A had failed. Power was restored after 5 minutes. In examining the output of the vault status command, you note that cluster-2's status reads "Cluster is not vaulting/unvaulting".

Why did this message appear?

Options:

A.

There was no power disruption at cluster-1

B.

The power disruption affected a single director only.

C.

The power disruption did not affect all "A" directors.

D.

The vaulting process runs on cluster-1

Demo: 31 questions
Total 210 questions