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EMC E20-260 - VPLEX Specialist Exam for Implementation Engineers

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Page: 6 / 7
Total 210 questions

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

A.

VPLEX Witness

B.

Management Server

C.

Cluster 1 Engine 1

D.

Consistency Group

A customer has a quad-engine VPLEX Metro configuration and has stated they want to review their performance metrics from the past 4 hrs on the entire cluster. How many performing log files will they need to pull from the management server in order to analyze all of their components?

A.

16 performance log files

B.

8 performance log files

C.

2 performance log files

D.

None, all metrics are displayed in the Unisphere GUI

Refer to the exhibit.

What does this VPLEX cache operation represent?

A.

Local Read Hit

B.

Global Read Hit

C.

Local Read Miss

D.

Global Read Miss

Refer to the exhibit.

During a short power disruption to cluster 2, director-2-1-A 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?

A.

The power disruption affected a single director only.

B.

There was no power disruption at cluster-1

C.

The power disruption did not affect all "A" directors.

D.

The vaulting process runs on cluster-1

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?

A.

312 GB

B.

78 GB

C.

156 GB

D.

234 GB

A customer wants to refresh the underlying array that comprises one-half of their local RAID-1 mirrors. Their intent is to remove the discarded mirror from VPLEX control, but as a rollback procedure, they want to ensure the detached device is a consistent copy of the original data. What is the proper way to perform this operation, meeting the customer's requirements?

A.

Exclude the "--discard" option in VPlexcli when detaching the mirror

B.

Include the "--discard" option in VPlexcli when detaching the mirror

C.

Utilize the GUI to detach the mirror consistently

D.

Utilize the GUI to teardown the virtual volume

You are preparing to migrate the topology of an installed VPLEX Local system. What is a supported upgrade path?

A.

Local to Geo to Global

B.

Local to Metro

C.

Local to Global

D.

Local to Metro to Geo

Refer to the exhibit.

Which two volumes should be used to complete the displayed command?

A.

B and C

B.

A and B

C.

D and F

D.

D and E

A host attempted a read from a volume in a VPLEX Metro configuration. The data does not exist in cache at all.

What process does VPLEX use to service the read request?

A.

VPLEX first searches the local cache for the data, then the cache coherency directory before reading from the array.

B.

VPLEX first searches the cache coherency directory for the data before reading from the array.

C.

VPLEX first searches the local cache for the data before reading from the array.

D.

VPLEX first searches the cache coherency directory for the data, and then searches the local cache before reading from the array.

Which type of volume has complete synchronized copies of data (mirrors) in more than one cluster?

A.

Distributed Device

B.

Extent

C.

Device

D.

Virtual Volume