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E20-260 Exam Dumps - VPLEX Specialist Exam for Implementation Engineers

Question # 4

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?

A.

logging activate

B.

ds dd set-log

C.

logging volume move

D.

dm migration

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Question # 5

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

A.

Launches EZ-setup Wizard

B.

Configures EMC system reports

C.

Exposes back-end storage to cluster

D.

Creates a logging volume

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Question # 6

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

A.

director firmware show-banks

B.

version –a

C.

version -a --verbose

D.

ll /**/internal-disks/*

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Question # 7

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 # 8

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

A.

Up to 640 TB

B.

Up to 20 TB

C.

Up to 320 TB

D.

Up to 200 TB

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Question # 9

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

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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Question # 10

How does VPLEX access back-end arrays?

A.

Through Virtual Targets

B.

Through Virtual Initiators

C.

Through the front-end ports on the Management station

D.

VPLEX provides storage through its own DAE(s)

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Question # 11

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?

A.

Provision Storage

B.

Mobility Central

C.

System Status

D.

Performance Dashboard

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Question # 12

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

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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Question # 13

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?

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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Question # 14

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?

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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Question # 15

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 # 16

A customer has a VPLEX Metro configuration across two data centers 200 km apart. During an overnight backup, the WAN-COM link between the two data centers fails.

Which volume allows for future incremental re-synchronization with the remote mirror once the link is restored?

A.

Logging Volume

B.

Storage Volume

C.

Metadata Volume

D.

Virtual Volume

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Question # 17

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

A.

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

B.

/array claim -s

C.

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

D.

connectivity validate-be

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Question # 18

A customer wants to collect performance data for specific virtual-volumes and has created the performance monitor.

What step needs to be performed to enable data capture?

A.

The customer needs to utilize the "-capture" flag when creating the monitor

B.

Virtual-volumes cannot have any performance data collected against them

C.

The customer needs to create an associated sink for data collection

D.

The customer needs to enable performance collection through the VPLEX GUI

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Question # 19

After an expansion of a RAID-0 device in VPLEX, the customer notices a slight degradation of performance. What could cause this?

A.

After the expansion operation is complete, the original mapped device has been converted into type RAID-C.

B.

After the expansion operation is complete, the original mapped device has been converted into type RAID-S.

C.

The device is striped across mismatched array types.

D.

The device is striped across RAID-S devices.

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Question # 20

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 # 21

What are the four basic dm migration commands for moving extents or devices?

A.

Start, commit, clean, and remove

B.

Create, clean, commit, and remove

C.

Start, commit, clean, and terminate

D.

Create, commit, clean, and terminate

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Question # 22

Refer to the exhibit.

What does this 4-step VPLEX cache operation represent?

A.

Global Read Miss

B.

Local Read Hit

C.

Global Read Hit

D.

Local Read Miss

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Question # 23

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?

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

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Question # 24

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

A.

Cluster Management

B.

Director Management

C.

Cluster Statistics

D.

User Management

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Question # 25

Refer to the exhibit:

Which two modules are used for back-end connectivity?

A.

A and E

B.

D and E

C.

B and F

D.

C and F

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Question # 26

A customer has a VPLEX Metro with VPLEX Witness installed and configured. The detach rule for consistency group is "no-automatic-winner".

What will VPLEX Witness do in case of a Site 1 failure?

A.

VPLEX Witness will have no effect.

B.

VPLEX Witness will set the consistency group detach rule.

C.

VPLEX Witness will suspend I/O at Site 1

D.

VPLEX Witness will suspend I/O at Site 2

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Question # 27

Refer to the exhibit.

Which two modules are used for WAN-COM connectivity?

A.

C and G

B.

C and D

C.

D and E

D.

G and H

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Question # 28

Refer to the exhibit.

You have opened the VPLEX Unisphere Manager to validate the health of the system.

What is the most likely reason for the Operational Status indicator?

A.

The VPLEX Witness has detected a WAN link failure.

B.

A component is in a degraded state in the cluster.

C.

Cluster-1 has lost management IP connection to cluster-2

D.

The cluster-1 management server has failed.

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Question # 29

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

A.

RAID-1

B.

Raid-C

C.

RAID-0

D.

Mapping

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Question # 30

Refer to the exhibit.

A customer has not followed EMC best practices when cabling their VS2 VPLEX engine. You are asked how to re-cable the engine to adhere to best practices. What is your response?

A.

Swap port 00 with port 01 of module A1-BE and B1-BE.

B.

Swap port 02 with port 03 of module A0-FE and B0-FE.

C.

Swap port 00 with port 01 of module A0-FE and B0-FE.

D.

Swap port 02 with port 03 of module A1-BE and B1-BE.

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Question # 31

Refer to the exhibit.

You are planning to perform data mobility between VPLEX Clusters using the GUI. What mobility job options do you have?

A.

create, stop, activate, monitor, pause, throttle and terminate

B.

create, activate, fracture, resync, monitor, pause, and commit

C.

create, cancel, suspend, monitor, pause, throttle, and terminate

D.

create, remove, cancel, monitor, pause, throttle, and commit

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