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EMC E20-260 Dumps

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Total 210 questions
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VPLEX Specialist Exam for Implementation Engineers Questions and Answers

Question 1

During ndu pre-check, a partner found that metadata-backup is not working. In addition, metadata-backup volume components have been renamed.

How can the problem be resolved?

Options:

A.

Provision two new metadata volumes

Re-run configuration metadata-backup

B.

Meta-volume destroy the actual metadata_backup

Re-run configuration metadata-backup

unclaimmetadata_backup

C.

unclaimmetadata_backup

Re-run configuration metadata-backup

D.

Meta-volume destroy the actual metadata_backup

schedule remove actual backup job

unclaimmetadata_backup

re-run configuration metadata-backup

Question 2

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

Options:

A.

WWPN

B.

LUN ID

C.

VPD ID

D.

FCID

Question 3

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.

10 GB

B.

312 GB

C.

156 GB

D.

234 GB

Question 4

What mobility operation must be performed to defragment storage volumes?

Options:

A.

Device Mobility

B.

Data Mobility

C.

Extent Mobility

D.

Virtual Volume Mobility

Question 5

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

Options:

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

Question 6

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

Question 7

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

Options:

A.

Up to 960 TB

B.

Up to 320 TB

C.

Up to 640 TB

D.

Up to 1.2 PB

Question 8

Refer to the exhibit.

Which VPlexcli command generated this output?

Options:

A.

vpn status

B.

ndu pre-check

C.

health-check

D.

ifconfig -a eth3

Question 9

Which VPLEX management interface is used for initial configuration?

Options:

A.

eth3

B.

eth2

C.

eth0

D.

eth1

Question 10

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

Question 11

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.

health-check --full was not run

B.

Directors are at incompatible code levels

C.

ndu pre-check --force flag was not used

D.

Directors are not connected.

Question 12

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.

Question 13

Refer to the exhibit.

What is the module at IOM A0 used for?

Options:

A.

Director A Back-end Connectivity

B.

Director A WAN COM Connectivity

C.

Director A Front-end Connectivity

D.

Director A Local Com Connectivity

Question 14

Where is the wwn-seed physically located on VS2 engines?

Options:

A.

On the back of the engine on the bottom of the chassis

B.

On the front of the management server

C.

On the front of the director

D.

On the front of the director bezel cover

Question 15

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

Question 16

Which command would you execute to perform basic system checks to ensure that the VPLEX cluster is working properly?

Options:

A.

health-check

B.

cluster config-dump

C.

validate-system-configuration

D.

cluster summary

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?

Options:

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

Question 18

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

Question 19

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

Question 20

Following EMC best practices, what 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

Question 21

How many management Ethernet connections exist between the management server and the engines?

Options:

A.

2

B.

4

C.

6

D.

8

Question 22

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

Question 23

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?

Options:

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.

Question 24

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

Question 25

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

Question 26

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

Options:

A.

Start, commit, clean, and remove

B.

Create, clean, commit, and remove

C.

Start, commit, clean, and terminate

D.

Create, commit, clean, and terminate

Question 27

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.

Question 28

Refer to the exhibit.

What is the function of the Module in slot "A"?

Options:

A.

Front-end connectivity

B.

Back-end connectivity

C.

WAN-COM connectivity

D.

Local-COM connectivity

Question 29

A customer is moving some VMAX devices under a VPLEX Local and is using PowerPath as multipath software.

What is the SCSI product ID assigned to VPLEX volumes?

Options:

A.

Invista

B.

VPLEX

C.

PowerPath

D.

VMAX

Question 30

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

Question 31

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.

Page: 1 / 8
Total 210 questions
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