E20-562 Online Practice Questions and Answers

Using the Storage Volume expansion method for virtual volumes built on RAID-1 or distributed RAID-1 devices, what is the maximum number of initialization processes that can run concurrently, per cluster?

A. 100

B. 250

C. 500

D. 1000

What can be used to monitor VPLEX performance parameters?

A. VPLEX Cluster Witness

B. Unisphere Performance Monitor Dashboard

C. EMC SolVe Desktop

D. EMCREPORTS utility

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

Refer to the exhibit.

A virtual volume created on a distributed device is experiencing performance problems. The virtual volume is in a storage view in Cluster-1.

What could be the issue?

A. There is storage volume contention on Cluster-2

B. A WAN COM failure has occurred

C. Distributed device I/O is exceeding WAN COM bandwidth

D. Device mobility jobs are moving data across the WAN COM

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

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

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

Which type of mobility is used to move data to a remote cluster in a VPLEX Metro?

A. Device

B. Extent

C. MetroPoint

D. Virtual volume

Which command is used to display available statistics for monitoring VPLEX?

A. monitor stat-list

B. monitor add-sink

C. monitor collect

D. monitor create

A storage administrator has been tasked with migrating a Microsoft SQL Server and its native EMC VNX LUNs behind a VPLEX Local cluster. However, in planning for future application growth, the database administrator wants to be able to expand the storage volumes.

Based on this information, which geometry should be selected during encapsulation?

A. Stripped MetaLUN

B. 1:1 Mapping

C. RAID-0

D. RAID-C