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VPLEX Specialist Exam for Implementation Engineers Question and Answers

VPLEX Specialist Exam for Implementation Engineers

Last Update Apr 28, 2025
Total Questions : 210

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Questions 1

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.

Discussion 0
Questions 2

Which VPLEX volume contains virtual-to-physical mapping information?

Options:

A.  

Logging volume

B.  

Metadata volume

C.  

Virtual volume

D.  

Repository volume

Discussion 0
Questions 3

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?

Options:

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

Discussion 0
Questions 4

What is the purpose of I/O module 2 in a the VPLEX VS2 hardware configuration?

Options:

A.  

WAN-COM connectivity

B.  

Front-end connectivity

C.  

Back-end connectivity

D.  

Local-COM connectivity

Discussion 0
Questions 5

In a customer's VPLEX Metro environment, a host has been provisioned as a single virtual volume from cluster-1. The customer now needs to convert the local virtual volume to a distributed device.

How can the customer accomplish this?

Options:

A.  

Add an unused virtual volume from cluster-2 as a remote mirror to the virtual volume on cluster-1

B.  

Add an unused device from cluster-2 as a remote mirror to the virtual volume on cluster-1

C.  

Enable remote access to an unused virtual volume from cluster-2 and add it as a remote mirror.

D.  

Enable remote access to an unused device from cluster-2 and add it as a remote mirror.

Discussion 0
Questions 6

Refer to the exhibit.

A customer is requesting a performance analysis for their distributed volumes in a Metro configuration to ensure there are no issues with a recent implementation.

What additional files should be collected?

Options:

A.  

Perpetual log files from Cluster-2

B.  

firmware.log from Cluster-1

C.  

Health-Check output from Cluster-2

D.  

VPLEX Performance GUI export from both clusters

Discussion 0
Questions 7

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.

Discussion 0
Questions 8

In a customer's VPLEX Metro environment, a host has been provisioned as a single virtual volume from cluster-1. The customer now needs to convert the local virtual volume to a distributed device.

How can the customer accomplish this?

Options:

A.  

Add an unused device from cluster-2 as a remote mirror to the virtual volume on cluster-1

B.  

Add an unused virtual volume from cluster-2 as a remote mirror to the virtual volume on cluster-1

C.  

Enable remote access to an unused virtual volume from cluster-2 and add it as a remote mirror.

D.  

Enable remote access to an unused device from cluster-2 and add it as a remote mirror.

Discussion 0
Questions 9

What is EMC's best practice for fault tolerance when zoning a VPLEX Metro together over fibre channel for successful communication between the sites?

Options:

A.  

Ensure that all fibre channel WAN-COM ports are zoned to each other in both SAN fabrics (Many-to-Many Zoning).

B.  

Ensure that all fibre channel Local-COM ports are zoned to the WAN-COM ports in both SAN fabrics (One-to-Many Zoning).

C.  

Ensure that all fibre channel Local-COM ports are zoned to each other in both SAN fabrics (Many-to-Many Zoning).

D.  

Ensure that all fibre channel WAN-COM ports are zoned to each other in both SAN fabrics (One-to-Many Zoning).

Discussion 0
Questions 10

Which command script must be executed when upgrading a small VPLEX to medium VPLEX?

Options:

A.  

VPlexadmin add-engines

B.  

director add

C.  

VPlexadmin set

D.  

VPlexadmin add-directors

Discussion 0
Questions 11

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

Discussion 0
Questions 12

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

Discussion 0
Questions 13

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

Discussion 0
Questions 14

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

Discussion 0
Questions 15

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

Discussion 0
Questions 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?

Options:

A.  

Logging Volume

B.  

Storage Volume

C.  

Metadata Volume

D.  

Virtual Volume

Discussion 0
Questions 17

Refer to the exhibit.

What is the result of the command?

Options:

A.  

clustermirror becomes a top-level device but without any virtual volume created or guarantees about its data.

B.  

clustermirror becomes a top-level device, and a virtual volume is created for the device if the parent had a virtual volume.

C.  

clustermirror is broken down to its base extents.

D.  

clustermirror is detached and discarded.

Discussion 0
Questions 18

Which VPLEX management interface is used for initial configuration?

Options:

A.  

eth3

B.  

eth2

C.  

eth0

D.  

eth1

Discussion 0
Questions 19

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.

Discussion 0
Questions 20

A customer has purchased a dual engine VPLEX Metro cluster. During installation, there are not enough free SAN ports to connect all WAN-COM ports to the SAN. What is the recommended approach?

Options:

A.  

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the VPLEX CLI.

B.  

It is sufficient to connect the WAN-COM ports of either engine 1 or 2 because redundancy is provided by leveraging two separate SAN fabrics.

C.  

The customer must provide additional SAN ports or acquire additional SAN ports to connect all WAN-COM ports of both VPLEX engines to the SAN.

D.  

The customer must connect the WAN-COM ports of the first engine only and disable the second engine from the Unisphere for VPLEX GUI.

Discussion 0
Questions 21

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

Discussion 0
Questions 22

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

Discussion 0
Questions 23

A customer has ordered a two-engine VPLEX cluster to be installed in a custom rack. A minimal VNX5300 is already installed in the middle of the rack, occupying nine rack unit spaces.

What is the correct approach to deploy the two-engine VPLEX cluster?

Options:

A.  

The engines and SPSs can be placed under the VNX5300 and the other components above the VNX5300 using longer cables.

B.  

Use a rack with sufficient space to install all the VPLEX cluster components together according to the predefined EMC layout.

C.  

The installation of a two engine cluster is not supported in a customer rack without a formal EMC RPQ.

D.  

The EMC account team must order a factory installed VPLEX two engine configuration and ship the custom install VPLEX back to EMC.

Discussion 0
Questions 24

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

Options:

A.  

VPD ID

B.  

WWPN

C.  

LUN ID

D.  

FCID

Discussion 0
Questions 25

A dual fan failure occurs on a single VPLEX engine.

What will be the result?

Options:

A.  

The engine will shut down immediately.

B.  

Director B only will shut down.

C.  

Director A only will shut down.

D.  

The engine will shut down after three minutes.

Discussion 0
Questions 26

Which is the best way to identify the root cause of long read latencies using monitors?

Options:

A.  

Check if the %CPU Busy is above 50%

B.  

Check to see if all volumes are in at least 1 Consistency Group

C.  

Check the ratio of cache.rhit to cache.miss

D.  

Check the difference between fe-director.read-lat and storage-volume.read-latency

Discussion 0
Questions 27

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?

Options:

A.  

Provision Storage

B.  

Mobility Central

C.  

System Status

D.  

Performance Dashboard

Discussion 0
Questions 28

What is the EMC best practice for the optimum number of back-end storage paths per director presented to a LUN?

Options:

A.  

4 paths

B.  

2 paths

C.  

8 paths

D.  

16 paths

Discussion 0
Questions 29

What is the total number of available engines in the smallest VPLEX Metro configuration?

Options:

A.  

2

B.  

1

C.  

8

D.  

4

Discussion 0
Questions 30

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?

Options:

A.  

Metro

B.  

Geo

C.  

Local

D.  

Global

Discussion 0
Questions 31

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

Options:

A.  

Up to 640 TB

B.  

Up to 20 TB

C.  

Up to 320 TB

D.  

Up to 200 TB

Discussion 0
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