Free EMC E20-562 Exam Dumps Questions & Answers

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

• A.  Monitors
• B.  Counters
• C.  Buckets
• D.  Readings

Refer to the exhibit.
A virtual volume created on a distributed device is experiencing performance problems. The virtual
volume is on a storage view on Cluster-1.
What could be the issue?

• A.  A WAN COM failure has occurred
• B.  There is storage volume contention on Cluster-2
• C.  Distributed device 1/0 is exceeding WAN COM bandwidth
• D.  Device mobility jobs are moving data across the WAN COM

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

• A.  virtual- volume create
• B.  storage-tool compose
• C.  ds dd 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 protected on the remote disk arrays only 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 written to both clusters before sending a host acknowledgement.

What determines which cluster will service 1/0 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.  Detach rule of the storage view
• C.  VPLEX Witness
• D.  Detach rule of the consistency group