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E20-260 Questions and Answers

Question # 6

How much distributed storage can be managed by a 20 GB logging volume?

A.

Up to 960 TB

B.

Up to 320 TB

C.

Up to 640 TB

D.

Up to 1.2 PB

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Question # 7

A customer is performing maintenance on their network that might affect their VPLEX Witness VM.

What can be done to ensure there are no adverse effects due to a Witness outage?

A.

Disable the cluster's management server ipsec.

B.

Disable the VPLEX Witness.

C.

Shut down the VPLEX Witness VM.

D.

Shut down the cluster's management server.

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Question # 8

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 # 9

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 # 10

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 # 11

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

A.

LDAP

B.

NIS

C.

NDS

D.

PAM

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Question # 12

A customer wants to add a mirror to a VPLEX Local RAID-0 device.

Which RAID type is created after the command "device attach-mirror"?

A.

RAID-0

B.

RAID-S

C.

RAID-1

D.

RAID-C

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Question # 13

Refer to the exhibit.

After 6 months of operation, you are monitoring the health of the VPLEX system from the Unisphere Manager for VPLEX.

What is the most likely reason for a state change of the VPLEX Witness?

A.

TheESXi host was rebooted.

B.

The WAN switch ports failed.

C.

The Management Server was restarted.

D.

TheMetaVolume was restored.

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Question # 14

What steps must be performed to encapsulate LUNs into virtual volumes?

A.

1. Claim native array LUN with data into VPLEX

2. Create extent, create a device on the extent

3. Create a virtual volume

4. Present virtual volume to the host

B.

1. Present a Virtual volume to the host

2. Create device

3. Create extent on the device

4. Execute storage claim wizard

C.

1. Create a new virtual volume

2. Mirror the virtual volume to native volume with data

3. Create device and create extent

4. Present virtual volume to host

D.

1. Discover new storage

2. Create extent

3. Create device

4. Create virtual volume

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Question # 15

Which three elements are part of the VPLEX Storage View?

A.

VPLEX FE Port, Initiator, Virtual Volume

B.

VPLEX FE Port, Top-Level Device, Storage Volume

C.

VPLEX BE Port,VPLEX FE Port, Virtual Volume

D.

VPLEX BE Port, Initiator, Virtual Volume

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Question # 16

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 # 17

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

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

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Question # 18

What should be the maximum latency between a VPLEX Management Server and the Cluster Witness?

A.

1 sec

B.

50 ms

C.

5 ms

D.

1 ms

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Question # 19

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?

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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Question # 20

A customer created a local RAID-0 virtual volume and decided that they require increased data protection by introducing a distributed virtual volume. What is the best method to convert this virtual volume without introducing any downtime to the host?

A.

Attach a device mirror

B.

Create a data mobility job

C.

Encapsulate the volume

D.

Enable remote access

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Question # 21

Which VPLEX component is configured with a public IP address during the installation process?

A.

LCOM Switch

B.

Director A

C.

Management Server

D.

Director B

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Question # 22

When configuring a VPLEX local cluster, according to EMC best practices, how many metadata volumes are required?

A.

3

B.

4

C.

2

D.

1

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Question # 23

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 # 24

In a VPLEX Metro/Geo, which vplexcli command can help to troubleshoot directors latency and routing issues to other Cluster directors?

A.

director fc-port-stats

B.

connectivity director

C.

director tracepath

D.

VPlexadmin show

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Question # 25

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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Question # 26

What is true about VPLEX CLI?

A.

User can press the tab key to display all valid commands within the current context.

B.

“Storage-volume claim” command can be used in root context VPlexcli.

C.

Command syntax option –d is short for –default.

D.

Command “Connectivity validate-be” shows which ports can communicate with each other.

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Question # 27

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 # 28

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

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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Question # 29

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?

A.

5 minutes

B.

5 hours

C.

50 hours

D.

50 minutes

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Question # 30

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?

A.

DD_8_32012Nov26_183659

B.

extent_Symm0841_03A7_1

C.

Symm0841_03A7

D.

DD_7_3

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Question # 31

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

A.

1

B.

8

C.

4

D.

2

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