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

Questions 4

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

Options:

A.

Buckets

B.

Counters

C.

Readings

D.

Monitors

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Questions 5

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

Options:

A.

5 ms

B.

2 ms

C.

50 ms

D.

15 ms

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Questions 6

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

Options:

A.

36GB

B.

64GB

C.

32GB

D.

72GB

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Questions 7

Refer to the exhibit:

Which two modules are used for back-end connectivity?

Options:

A.

A and E

B.

D and E

C.

B and F

D.

C and F

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Questions 8

You are preparing a site for a large Metro VPLEX cluster. The storage administrator wants to prepare the storage network configuration and needs to ensure easy troubleshooting of storage path faults.

How many WAN-COM zones per fabric will need to be created?

Options:

A.

16

B.

12

C.

8

D.

32

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Questions 9

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?

Options:

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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Questions 10

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

Options:

A.

Back-end array discovery

B.

Host initiator discovery

C.

Second cluster initial setup

D.

Witness configuration

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Questions 11

Which type of volume has complete synchronized copies of data (mirrors) in more than one cluster?

Options:

A.

Distributed Device

B.

Extent

C.

Device

D.

Virtual Volume

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Questions 12

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 13

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 14

A customer has a database application that has multiple distributed virtual volumes. They want to ensure that in the event that one of their data centers goes offline, the virtual volumes will all be available to the surviving site.

What VPLEX option should they implement?

Options:

A.

Data Mobility

B.

Consistency Groups

C.

Distributed Device

D.

Remote Access

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Questions 15

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

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Questions 16

Following EMC best practices, which information is required to register a VPLEX on an ESRS portal?

Options:

A.

Site ID; cluster TLA serial number; Management server eth3 IP address

B.

License ID; engine serial number; Management server eth3 IP address

C.

Site ID; engine serial number; Management server eth3 IP address

D.

Site ID; cluster TLA serial number; Witness IP address

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Questions 17

Click on the calculator in the upper left corner. You have a perpetual performance monitor running on director 1-1-A. The data being monitored is growing at a rate of 2 MB per minute. At the current data rate, how far back in time will this monitor be able to reach?

Options:

A.

50 minutes

B.

5 minutes

C.

5 hours

D.

50 hours

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Questions 18

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

Options:

A.

Array LUNs must be zeroed-out.

B.

Array LUNs must be RAID-need a number here

C.

Array LUNs must be thin.

D.

Array LUNs must be RAID-need a number here

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Questions 19

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 20

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 0

D.

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

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Questions 21

What is the maximum cache of a single engine in a medium VPLEX VS2 cluster?

Options:

A.

72 GB

B.

36 GB

C.

144 GB

D.

78 GB

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Questions 22

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?

Options:

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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Questions 23

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 24

What is the EMC best practice for the optimum number of active back-end storage paths per director for each LUN presented to VPLEX?

Options:

A.

4 paths

B.

2 paths

C.

8 paths

D.

16 paths

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Questions 25

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

Options:

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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Questions 26

What three elements are part of the VPLEX Storage View?

Options:

A.

VPLEX FE Port

Top-Level Device

Host IP address

B.

VPLEX FE Port

Initiator Port

Virtual Volume

C.

VPLEX BE Port

VPLEX FE Port

Virtual Volume

D.

VPLEX BE Port

Initiator Port

Virtual Volume

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Questions 27

You are using VPLEX Unisphere to perform management functions in your environment. You are tasked with creating several volume migrations to a new storage array.

What tab should you use to perform this migration?

Options:

A.

Provision Storage

B.

Mobility Central

C.

System Status

D.

Performance Dashboard

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Questions 28

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

Options:

A.

Local to Geo to Global

B.

Local to Metro

C.

Local to Global

D.

Local to Metro to Geo

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Questions 29

Which unique logical identifier is used when determining the relationship between a virtual volume and the back-end storage array?

Options:

A.

VPD ID

B.

WWPN

C.

LUN ID

D.

FCID

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Questions 30

A logging volume needs to be migrated to a new array.

Which command must be used to associate the distributed devices to the new logging volume?

Options:

A.

logging activate

B.

ds dd set-log

C.

logging volume move

D.

dm migration

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Questions 31

Which 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 Configuration (1, 2 or 4 Engines)

B.

VPLEX model type Level Assembly customer contact IP address of the Management Server public port

C.

VPLEX model type Site ID IP address of the Management Server public port Primary Customer contact

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Exam Code: E20-260
Exam Name: VPLEX Specialist Exam for Implementation Engineers
Last Update: Jun 17, 2024
Questions: 210
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