E20-562 Online Practice Questions and Answers

DRAG DROP

What is the correct order of steps to create a virtual volume?

Select and Place:

What are the two common use cases of the VPLEX Mobility feature?

A. NDU upgrades Continuous Data Protection

B. Workload Rebalance Deduplication

C. Workflow Automation Tech Refresh

D. Tech Refresh Workload Rebalance

LUNs belonging to an ESXi cluster were encapsulated behind VPLEX. What information must be shared with the ESXi administrator so that they can re-discover the datastore and the RDM LUNs?

A. Virtual volume VPD

B. UUID of back-end LUN

C. VML ID

D. WWN: WWPN

How many copies can RecoverPoint maintain in a MetroPoint topology?

A. 4

B. 5

C. 6

D. 8

Why is it EMC best practice that each back-end LUN has a connection to all the A-directors and to all the B-directors in the VPLEX cluster?

A. Prevents data unavailability during a non-disruptive upgrade

B. Reduces the number of ITLs

C. Ensures writes are mirrored on director local cache

D. Optimizes global read cache

What are characteristics of a storage view?

A. An initiator can be in multiple storage views VPLEX FE port can only be in one storage view Each initiator and FE port pair can only be in one storage view

B. An initiator can only be in one storage view VPLEX FE port can be in multiple storage views Each initiator and FE port pair can be in different storage views

C. An initiator can only be in multiple storage view VPLEX FE port can be in multiple storage views Each initiator and FE port pair must be in different storage views

D. An initiator can be in multiple storage views VPLEX FE port can be in multiple storage views Each initiator and FE port pair can only be in one storage view

What is the maximum number of virtual volumes that can be placed into a single consistency group?

A. 800

B. 900

C. 1000

D. 1100

What is a VPLEX RAID-0 device?

A. Device that stripes data beneath a top-level device

B. Device that concatenates data on a top-level device

C. Extent that concatenates data on a top-level device

D. Extent that stripes data beneath a top-level device

What determines which cluster will service I/O in the event of a WAN COM failure for a distributed device that is not a member of a consistency group?

A. Rule set of the distributed device

B. VPLEX Witness

C. Detach rule of the consistency group

D. Detach rule of the storage view

Which command can be used to create a distributed virtual volume from specified storage volumes?

A. storage-tool compose

B. ds dd create

C. virtual- volume create

D. storage-volume compose

A storage administrator has created a VPLEX distributed device. The administrator is performing application tests on the host utilizing the distributed virtual volumes. During testing, some of the write response times appear to be elongated. What is a characteristic of distributed devices that explains this issue?

A. Writes need to be written locally to multiple VPLEX Directors before sending a host acknowledgement.

B. Writes need to be written to both clusters before sending a host acknowledgement.

C. Writes need to be journaled in the VPLEX Witness logging volumes before sending a host acknowledgement.

D. Writes need to be protected on the remote disk arrays only before sending a host acknowledgement.

When is expanding a virtual volume using the Storage Volume expansion method a valid option?

A. Virtual volume previously expanded by adding extents or devices

B. Virtual volume is mapped 1:1 to the underlying storage volume

C. Virtual volume is a metadata volume

D. Virtual volume has minor problems, as reported by health-check

A new VPLEX system has been installed that uses ESRS. The firewall administrator has opened ports 25, 9010, and 5901 between VPLEX and ESRS. A support ticket is logged. While trying to troubleshoot, the technical support engineer cannot access the GUI of VPLEX.

Which port needs to be opened on the firewall?

A. 21

B. 443

C. 3268

D. 8080

What happens to global cache size if a director fails and is removed from the cluster?

A. Suspends

B. Increases

C. Decreases

D. Remains as-is

Which number in the exhibit highlights the Director-B front-end ports?

A. 1

B. 2

C. 3

D. 4