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

Questions 4

When performing an installation you notice DHCP has set your Management Server subnet mask to 255.255.255.252. Based on EMC best practices, what is the appropriate subnet mask value for Management Server network 128.221.252.0?

Options:

A.

255.255.255.224

B.

255.255.255.248

C.

255.255.255.192

D.

255.255.255.128

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Questions 5

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

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Questions 6

When configuring a RAID-1 logging volume, what flags must be used in the command line?

Options:

A.

-d -n -g -e

B.

-n -d –e

C.

-n -g -e

D.

-d -g -e

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Questions 7

How does VPLEX access back-end arrays?

Options:

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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Questions 8

Refer to the exhibit.

Which tab of the VPLEX Unisphere Management Console GUI contains a link to VPLEX product documentation?

Options:

A.

Support

B.

Provision Storage

C.

Mobility Central

D.

System Status

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Questions 9

Which is a best practice recommended for VPLEX Metro inter-cluster WAN settings?

Options:

A.

Allow auto-negotiation to select the optimal transmission rate

B.

Always use the defaults

C.

Always set the MTU to 9000

D.

Tune the network parameters according to the specifics of the configuration

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Questions 10

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

Options:

A.

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

B.

vplexcli:/array claim -s

C.

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

D.

vplexcli:/connectivity validate-be

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Questions 11

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 12

Which VPLEX management NIC Interface must be connected to customer IP public LAN?

Options:

A.

eth3

B.

eth2

C.

eth1

D.

eth0

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Questions 13

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

Options:

A.

3

B.

4

C.

2

D.

1

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Questions 14

Refer to the exhibit.

You have created a Distributed Device in a VPLEX Metro system. Which VPLEX Object can be placed in a Storage View for Cluster-1?

Options:

A.

DD_8_3_vol

B.

DD_8_32012Nov26_183659

C.

Symm0841_03A7

D.

extent_Symm0841_03A7_1

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Questions 15

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.

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Questions 16

Click on the calculator icon in the upper left corner of the screen. A customer has ordered a new VPLEX, and you are on site doing the initial installation. When creating metadata volumes for the VPLEX Local configuration, the customer asks you how much total storage is needed for the VPLEX metadata.

According to EMC best practices, what is the total minimum storage needed for this configuration?

Options:

A.

312 GB

B.

78 GB

C.

156 GB

D.

234 GB

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Questions 17

Do virtual volumes need to be taken off-line prior to upgrading VPLEX software, and why or whynot?

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 18

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

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Questions 19

Refer to the exhibit.

You have created a Distributed Device in a VPLEX Metro. You want to confirm the volumes before performing a mobility job within the cluster. You will be moving the device to cluster 1.

Which object will be the source for this operation?

Options:

A.

extent_Symm0841_03A7_1

B.

DD_8_32012Nov26_183659

C.

Symm0841_03A7

D.

DD_7_3

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Questions 20

What device types can be created in a VPLEX environment?

Options:

A.

RAID-5, RAID-6, RAID-C

B.

RAID-0, RAID-1, RAID-C

C.

RAID-3, RAID6 (6+2), RAID6 (14+2)

D.

RAID5 (3+1), RAID5 (7+1), RAID-S

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Questions 21

Refer to the exhibit.

Which two modules are used for WAN-COM connectivity?

Options:

A.

C and G

B.

C and D

C.

D and E

D.

G and H

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Questions 22

Refer to the exhibit.

NDU pre-check failed because minimal topology is in use. Which parameter can be added to the ndu start command that will allow the NDU to proceed without error in this situation?

Options:

A.

Only the --force option

B.

Only the --skip-view-config-check option

C.

Both the --skip-sysconfig-check and --skip-view-config-check options

D.

Both the --skip-sysconfig-check and --force options

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Questions 23

During an installation, the physical equipment inspection reveals an ESX host used for VPLEX Witness is located in the same rack as VPLEX cluster 1 Engine.

What needs to be done?

Options:

A.

VPLEX Witness server must be in a separate cabinet in the same data center.

B.

The VPLEX Witness server must be placed in a separate failure domain.

C.

Decrease network delay to reduce effects of equipment proximity.

D.

The ESX host must be placed in a separate cabinet due to cooling requirements.

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Questions 24

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?

Options:

A.

RAID 1

B.

RAID 0

C.

RAID S

D.

RAID C

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Questions 25

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 26

Exhibit:

Which VPLEX object contains virtual-to-physical mapping information and must be stored on multiple arrays?

Options:

A.

Metadata volume

B.

Logging volume

C.

Virtual volume

D.

Director volume

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Questions 27

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 28

Which VPLEX component can determine the difference between a partition and a site failure of a VPLEX Metro configuration?

Options:

A.

VPLEX Witness

B.

Management Server

C.

Cluster 1 Engine 1

D.

Consistency Group

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Questions 29

Refer to the exhibit.

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

Options:

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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Questions 30

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 31

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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Exam Code: E20-260
Exam Name: VPLEX Specialist Exam for Implementation Engineers
Last Update: Apr 20, 2024
Questions: 210

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