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EMC E20-260 VPLEX Specialist Exam for Implementation Engineers Exam Practice Test

Demo: 31 questions
Total 210 questions

VPLEX Specialist Exam for Implementation Engineers Questions and Answers

Question 1

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

Options:

A.

2 ms

B.

50 ms

C.

5 ms

D.

15 ms

Question 2

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 3

Refer to the Exhibit.

Based on this diagram of a single VPLEX engine, which protocol is represented by "A"?

Options:

A.

FC

B.

IP

C.

ISCSI

D.

FCIP

Question 4

What is the purpose of VPLEX Witness in a Metro environment?

Options:

A.

Observe the state of the clusters, Distinguish link outages, Intercluster failures, Resume or suspend I/O

B.

Prevent cluster link failure, Stop I/O transfer, Split consistency groups, Failover consistency groups

C.

Send notifications, Pause I/O transfer, Initiate vault dump, Failover consistency groups

D.

Observe state of the clusters, Suspend I/O, Execute health-check, Resume I/O

Question 5

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

Question 6

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 mobility job across clusters. 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 7

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

Options:

A.

LCOM Switch

B.

Director A

C.

Management Server

D.

Director B

Question 8

You are configuring an FC Switch for a VPLEX implementation using VS2 engines. What is the required speed setting for the switch ports connected to the VPLEX FE ports in order to achieve the maximum throughput of VS2 engines?

Options:

A.

8 Gbps

B.

4 Gbps

C.

16 Gbps

D.

10 Gbps

Question 9

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 10

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

Options:

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

Question 11

Refer to the exhibit.

A customer wants to implement a VPLEX Metro High Availability Cross Connect implementation between their two campus sites. What round-trip latency time requirement must be met between Site A and Site B?

Options:

A.

< 3 ms

B.

< 5 ms

C.

< 1 ms

D.

< 10 ms

Question 12

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 13

What option must be set for a consistency group to continue synchronization without manual intervention, once connectivity is restored?

Options:

A.

rule-set-name = cluster-1-detaches

B.

rebuild-allowed = true

C.

auto-resume-at-loser = true

D.

rebuild-type = full

Question 14

You are administering a VPLEX Metro configuration. When is it necessary to create a logging volume?

Options:

A.

Before creating a distributed device

B.

After creating a local device

C.

After creating a mobility job

D.

Before performing an NDU

Question 15

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

Question 16

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

Options:

A.

Counters

B.

Readings

C.

Buckets

D.

Monitors

Question 17

How do you verify that the VPLEX upgrade has completed successfully?

Options:

A.

Log into the VPLEX Unisphere interface.

B.

Run the cluster-summary command.

C.

Check that the system LED is green on each director.

D.

Run the ndu pre-check command.

Question 18

Refer to the exhibit.

The customer deleted ext_2 on a 20 GB LUN in order to make an extent of 10 GB. Why is the customer unable to create a 10 GB extent?

Options:

A.

Storage array must be re-discovered.

B.

ext_2 cannot be deleted.

C.

Chunks of the storage need to be contiguous.

D.

The defrag property is set to false.

Question 19

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 20

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 21

What is the maximum number of Virtual Volumes that can be created in a VPLEX Version 5 Cluster?

Options:

A.

2000

B.

4000

C.

8000

D.

16000

Question 22

A customer has just introduced a new VPLEX cluster into their storage environment with numerous existing storage arrays. They need to present the host's existing data from the VPLEX cluster.

Which method would you use to perform this operation?

Options:

A.

Distribute

B.

Stripe

C.

Concatenate

D.

Encapsulate

Question 23

IT security just implemented new security policies at a customer site. When VPLEX Management Server sends SYR reports to an ESRS gateway nothing is received at the gateway.

What action did IT security take that would cause this?

Options:

A.

Block TCP port 443 and 22

B.

Block TCP port 80 and 21

C.

Block TCP port 9090 and 5910

D.

Block TCP port 21 and 445

Question 24

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 25

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

D.

Use array-based features to copy the storage volume.

Question 26

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.

Question 27

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 28

What is the role of the port with the WWN 5000144270061010 on a VS2 engine?

Options:

A.

Back-end

B.

Front-end

C.

Local-COM

D.

WAN-COM

Question 29

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

Question 30

A customer is verifying the host environment before scheduling a VPLEX NDU. According to EMC best practices, which PowerPath load-balancing policy is applied by default to all platforms?

Options:

A.

Adaptive

B.

RoundRobin

C.

LeastIO

D.

StreamIO

Question 31

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?

Options:

A.

Attach a device mirror

B.

Create a data mobility job

C.

Encapsulate the volume

D.

Enable remote access

Demo: 31 questions
Total 210 questions