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

Questions 4

Refer to the exhibit.

For what is the module labeled "E" used?

Options:

A.

Director A Front-end Connectivity

B.

Director A Back-end Connectivity

C.

Director A WAN COM Connectivity

D.

Director A Local Com Connectivity

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Questions 5

What information is required to configure ESRS for VPLEX?

Options:

A.

VPLEX model type

Top Level Assembly

Site ID

IP address of the Management Server public port

B.

Top Level Assembly

Site ID

IP address of the Management Server public port

VPLEX Configuration (1, 2 or 4 Engines)

C.

VPLEX model type

Top Level Assembly

Primary customer contact

IP address of the Management Server public port

D.

VPLEX model type

Site ID

IP address of the Management Server public port

Primary Customer contact

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Questions 6

Refer to the exhibit.

You are preparing to perform an upgrade on an unconfigured VPLEX Metro. When you run the ndu pre-check command, it indicates that it has failed and there are no first upgraders. In your troubleshooting, you run the version -a command.

Based on the output, what is the reason for the failure?

Options:

A.

Directors are not connected.

B.

health-check --full was not run

C.

Directors are at incompatible code levels

D.

ndu pre-check --force flag was not used

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Questions 7

Click on the calculator in the upper left corner. How much distributed storage can be managed by a 20 GB logging volume?

Options:

A.

Up to 640 TB

B.

Up to 20 TB

C.

Up to 320 TB

D.

Up to 200 TB

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Questions 8

Refer to the exhibit.

On which cluster is the GUI connected?

Options:

A.

Cluster-2

B.

Cluster-1

C.

Cluster IP alias

D.

VPLEXCLI must be used to determine which cluster is supporting the GUI

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Questions 9

Refer to the exhibit.

You are preparing to upgrade a VPLEX Metro system. You ran the version command to begin the verification process and received the output shown.

What is the most likely reason for the warning?

Options:

A.

The Metadata volume is in an NDU state.

B.

The Cluster Witness is at the wrong version.

C.

The Management Server is at the wrong version.

D.

The directors are in an NDU state.

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Questions 10

Which element does VPLEX Witness require?

Options:

A.

Virtual Volume

B.

Distributed Volume

C.

Distributed Device

D.

Consistency Group

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Questions 11

According to EMC best practices, how many metadata volumes for a VPLEX Metro configuration are required on each cluster?

Options:

A.

4 Metadata volumes and 4 Metadata Backup volumes

B.

2 Metadata volumes and 1 Metadata Backup volume

C.

2 Metadata volumes and 2 Metadata Backup volumes

D.

4 Metadata Volumes and no Metadata Backup volumes

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Questions 12

What is required of an ESX host for the Witness to be installed?

Options:

A.

Promiscuous mode set to Accept

B.

ESX host in Cluster 1 failure domain

C.

MAC address change set to Accept

D.

ESX host in Cluster 2 failure domain

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Questions 13

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

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Questions 14

Which type of statistics is used to track latencies, determine median, mode, percentiles, minimums and maximums?

Options:

A.

Counters

B.

Readings

C.

Buckets

D.

Monitors

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Questions 15

Do virtual volumes need to be taken off-line prior to upgrading VPLEX software, and why or why not?

Options:

A.

Yes, to preserve data integrity

B.

Yes, because the host-based multi-pathing software provides direct access during the upgrade

C.

No, because VPLEX software can be upgraded non-disruptively

D.

No, because the upgrading can be undone

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Questions 16

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

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Questions 17

A VPlex administrator claims a 100GB Storage Volume that is thin provisioned on the storage array and has 25GB physically allocated and creates a 1:1 encapsulated virtual volume. After a local data mobility job for that Virtual Volume, the storage array administrator notices that the allocated capacity has increased to 100GB.

Why did this happen?

Options:

A.

The destination Storage Volume was not claimed with the thin-rebuild parameter in VPLEX.

B.

VPLEX does not support thin devices.

C.

Neither the source nor the destination Storage Volume were claimed with the thin-rebuild parameter in VPLEX.

D.

The source Storage Volume was not claimed with the thin-rebuild parameter in VPLEX.

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Questions 18

What are the three components that a drill-down command can be run against to provide a more detailed analysis?

Options:

A.

Storage-View, Virtual-Volume, Device

B.

Storage-View, Virtual-Volume, Storage-Volume

C.

Storage-View, Consistency-Group, Device

D.

Storage-View, Virtual-Volume, Extent

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Questions 19

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

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Questions 20

A customer has purchased a dual engine VPLEX Metro cluster. During installation, there are not enough free SAN ports to connect all WAN-COM ports to the SAN. What is the recommended approach?

Options:

A.

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the VPLEX CLI.

B.

It is sufficient to connect the WAN-COM ports of either engine 1 or 2 because redundancy is provided by leveraging two separate SAN fabrics.

C.

The customer must provide additional SAN ports or acquire additional SAN ports to connect all WAN-COM ports of both VPLEX engines to the SAN.

D.

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the Unisphere for VPLEX GUI.

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Questions 21

Refer to the exhibit.

After a power disruption of 20 seconds in a VPLEX environment, the output of the "vault status" command shows no vaulting processes.

Why did this occur?

Options:

A.

The cache vaulting did not exceed the timer period.

B.

It is the expected output, because the command "vault status" doesn't show information on cache process at all.

C.

Cache vaulting process has already completed.

D.

Cache vaulting process is still running in background and it is not shown until completed.

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Questions 22

What aspect of VPLEX assigns and remembers chunk ownership?

Options:

A.

Meta-Directory

B.

Repository

C.

Share Groups

D.

Consistency Groups

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Questions 23

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?

Options:

A.

set topology p2p

B.

set enabled=true

C.

set topology loop

D.

set port speed

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Questions 24

Refer to the exhibit.

What is the function of the two highlighted VPLEX VS2 modules?

Options:

A.

Back-end connectivity

B.

Front-end connectivity

C.

WAN-COM connectivity

D.

Local-COM connectivity

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Questions 25

What is the total number of engines for a small VPLEX Metro configuration?

Options:

A.

1

B.

8

C.

4

D.

2

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Questions 26

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

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Questions 27

What function does the SNMP agent on the Management Server provide?

Options:

A.

Cluster Management

B.

Director Management

C.

Cluster Statistics

D.

User Management

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Questions 28

Refer to the exhibit.

You are performing a health-check on a VPLEX VS2 Metro system. After running several commands, you notice port errors on the VPLEX directors.

What does the information listed under Checking ports status indicate?

Options:

A.

Not all Local-COM ports have been enabled.

B.

Not all BE ports have been enabled.

C.

Not all FE ports have been enabled.

D.

Not all WAN-COM ports have been enabled.

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Questions 29

Refer to the exhibit.

You have created a Distributed Device in a VPLEX Metro. You want to confirm you have chosen the correct volumes before performing a device mobility job within cluster-2. Which object will be the source for this operation?

Options:

A.

DD_8_32012Nov26_183659

B.

extent_Symm0841_03A7_1

C.

Symm0841_03A7

D.

DD_7_3

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Questions 30

Refer to the Exhibit.

Based on this diagram of a single VPLEX engine, which protocol is represented by "A"?

Options:

A.

FC

B.

IP

C.

ISCSI

D.

FCIP

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Questions 31

What are key benefits of storage virtualization with VPLEX?

Options:

A.

Ease of consolidations; device mobility; simplifying management; provisioning of multiple arrays.

B.

Consolidations; point-in-time backups; simplifying management; third-party array support.

C.

Device performance; point-in-time backups; third party array support; device mobility

D.

Synchronous SAN extension across long distances; device mobility; and third-party array support

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Exam Code: E20-260
Exam Name: VPLEX Specialist Exam for Implementation Engineers
Last Update: Nov 23, 2024
Questions: 210
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