EMC E20-307 Online Practice Questions and Exam Preparation

EMC E20-307 Online Questions & Answers

• Question 1:

  What does the Reserved Capacity parameter for a VMAX3 Storage Resource Pool (SRP) reserve?

  A. Absolute capacity, in GB, for thin device host allocations.
  B. Absolute capacity, in GB, for TimeFinder SnapVX snapshots.
  C. Percentage of SRP for thin device host allocations.
  D. Percentage of SRP for TimeFinder SnapVX snapshots
  C. Percentage of SRP for thin device host allocations.

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  Reference https://uk.emc.com/collateral/technical-documentation/docu55786-vmax3- service-level-pro-fully-automated-storage.pdf (p.27)

• Question 2:

  A VMAX3 array has been configured with two Storage Resource Pools (SRP). Source volumes are assigned to SRP_1 and target volumes are assigned to SRP_2. A TimeFinder SnapVX snapshot of the source volumes is linked to the target volumes in the default mode.

  What will happen when there are new host writes to the source volumes?

  A. Snapshot deltas will be stored in the Reserved Capacity of SRP_1.
  B. Snapshot deltas will be stored in the Reserved Capacity of SRP_2.
  C. Snapshot deltas will be stored in SRP_2.
  D. Snapshot deltas will be stored in SRP_1.
  A. Snapshot deltas will be stored in the Reserved Capacity of SRP_1.

• Question 3:

  After installing Unisphere for VMAX, configuration activities are successfully performed on a VMAX3/VMAX All Flash array. However, performance data is not being collected. What must be done to collect the performance data?

  A. Unisphere for VMAX server must be rebooted
  B. System must be registered
  C. SMAS service must be started
  D. PostgreSQL database is corrupt and must be reinstalled
  B. System must be registered

• Question 4:

  A TimeFinder SnapVX snapshot of source volumes has been linked to target volumes. The target volumes are being used for application testing. What should be done prior to a relink operation?

  A. Continue accessing the source volumes, stop accessing the target volumes.
  B. Continue accessing the source and target volumes.
  C. Stop accessing the source and target volumes.
  D. Stop accessing the source volumes, continue accessing the target volumes
  A. Continue accessing the source volumes, stop accessing the target volumes.

• Question 5:

  What is the basis for the allocation of new extends from a Storage Resource Pool (SRP) in a VMAX3 array?

  A. Data Pool RAID types and SRP capacity
  B. Data Pool Ranking and Service Level
  C. Data Pool RAID types and default Service Level
  D. Data Pool Ranking and SRP capacity
  B. Data Pool Ranking and Service Level

• Question 6:

  A company has two VMAX3 arrays, both are configured with eNAS. The company wants to make multiple copies of their file system volumes while using minimal additional space. Which EMC technology will meet the requirement without additional hardware?

  A. TimeFinder
  B. SnapSure
  C. SRDF
  D. Replicator
  A. TimeFinder

• Question 7:

  What is the minimum cycle time that can be set for SRDF/A Multi-Session Consistency?

  A. 1 seconds
  B. 3 seconds
  C. 5 seconds
  D. 15 seconds
  A. 1 seconds

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  Reference https://www.slideshare.net/DanielGarfado/emc-srdf (33)

• Question 8:

  Which Solutions Enabler environment variable can be set to stop the user from getting asked for confirmation during command execution?

  A. symcli_noprompt
  B. symcli_command_scope
  C. symcli_mode
  D. symcli_output_mode
  A. symcli_noprompt

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  Reference https://www.emc.com/collateral/TechnicalDocument/docu46983.pdf (page 243)

• Question 9:

  What does EMC Virtual Storage Integrator for VMware vSphere Web Client require to provision and manage storage from VMAX All Flash and VMAX3 arrays?

  A. EMC VMAX Storage Plug-in
  B. EMC VSS Provider
  C. EMC Unisphere for VMAX
  D. EMC SMI-S Provider
  A. EMC VMAX Storage Plug-in

• Question 10:

  What is the default port number to access the EMC vApp Manager for Solutions Enabler?

  A. 2707
  B. 5480
  C. 8080
  D. 8443
  B. 5480