EMC E20-562 Online Practice Questions and Exam Preparation

EMC E20-562 Online Questions & Answers

• Question 1:

  What is required before a host can detect the virtual volumes presented by the VPLEX?

  A. Virtual volumes can only be detected after a reboot
  B. RAID configuration must be enabled for Virtual volumes
  C. EZ Provisioning wizard must be run on the host
  D. Host must initiate a bus-scan of the HBAs
  D. Host must initiate a bus-scan of the HBAs

• Question 2:

  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
  C. 1000

• Question 3:

  DRAG DROP

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

  Select and Place:

  

  

• Question 4:

  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
  D. Remains as-is

• Question 5:

  How many copies can RecoverPoint maintain in a MetroPoint topology?

  A. 4
  B. 5
  C. 6
  D. 8
  A. 4

• Question 6:

  At which layer of the director IO stack are local and distributed mirroring managed?

  A. Coherent Cache
  B. Storage Volume
  C. Device Virtualization
  D. Storage View
  B. Storage Volume

• Question 7:

  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
  A. Prevents data unavailability during a non-disruptive upgrade

• Question 8:

  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
  B. 1:1 Mapping

• Question 9:

  LUNs are being provisioned from an ALUA-capable back-end array to VPLEX. What is the path requirement for each VPLEX director when connecting to this type of array?

  A. At least two paths to every back-end array and storage volume
  B. At least two paths to both the active and passive array controllers
  C. A least two paths to both the active and non-preferred array controllers
  D. At least two paths to the active array controller only
  B. At least two paths to both the active and passive array controllers

• Question 10:

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

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