EMC E20-393 Online Practice Questions and Exam Preparation

EMC E20-393 Online Questions & Answers

• Question 211:

  What is the usefulness of setting a quota limit to zero?

  A. Increases space efficiency on the file system.
  B. Reduces CPU overhead for clients accessing data.
  C. Increases file system access performance.
  D. Enables tracking and reporting on file system usage.
  D. Enables tracking and reporting on file system usage.

• Question 212:

  A Unity customer has a 20 TB pool consisting of SAS and NL-SAS drives. Based on Dell EMC best practices, what is the minimum recommended amount of Flash capacity they should use for a Flash tier?

  A. 1 TB
  B. 2 TB
  C. 4 TB
  D. 10 TB
  A. 1 TB

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  References: https://www.emc.com/collateral/white-papers/h15093-dell-emc-unity-best-practices-guide.pdf

• Question 213:

  Which task must be performed on the storage system in order to access a file system read/write snapshot?

  A. Configure Host Access to the LUN snapshots
  B. Configure the NFS/SMB share to the file system snapshot
  C. Connect to the NFS/SMB share of the snapshot
  D. Perform the snapshot "Attach to Host" operation
  B. Configure the NFS/SMB share to the file system snapshot

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  Read-write snapshots can be made available to hosts as separate shares.

  The Shared property is applicable to file snapshots only, and indicates whether the snapshot is currently available to clients as a share. The default value is No, and changes to Yes when the read-write file system snapshot is used to create

  shares. For read-only file system snapshots, this property is always set to No.

  Share-A named, mountable instance of file-level storage, accessible through a file system or VMware NFS Datastore. Each share is accessible through the protocol (NFS or SMB) defined for the file system where it resides.

• Question 214:

  What is an example of a NAS Server replication session grouped operation?

  A. Delete
  B. Resume
  C. Sync
  D. Create
  B. Resume

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  Reference: https://www.emc.com/dam/uwaem/documentation/unity-p-replication-config.pdf

• Question 215:

  Which IP connection characteristic is unique to file-based storage access?

  A. Link Aggregation
  B. VLAN tagging
  C. Bandwidth throttle
  D. Mirrored writes
  B. VLAN tagging

• Question 216:

  Which feature is only supported on physical Dell EMC Unity systems?

  A. Asynchronous Replication
  B. Synchronous Replication
  C. Host I/O Limits (QoS)
  D. VVols
  C. Host I/O Limits (QoS)

• Question 217:

  Which policy status condition is available for Host I/O Limits?

  A. Resuming
  B. Disabled
  C. Global Paused
  D. Error
  C. Global Paused

• Question 218:

  DRAG DROP

  A user needs to re-image a Dell EMC Unity Storage Processor and resume normal operations. What is the correct sequence of steps to complete this task using Unisphere?

  Select and Place:

  

  

• Question 219:

  A storage administrator has added multiple resources to a single density-based Host I/O Limit policy for the following storage resources: LUN A: 100 GB LUN B: 100 GB LUN C: 600 GB Density-Based Limit 10 IOPS

  What is the total IOPS set by this policy?

  A. 80
  B. 800
  C. 810
  D. 8,000
  D. 8,000

• Question 220:

  What is the correct method to initiate a Dell EMC Unity power down sequence?

  A. Use the uemcli halt command
  B. Switch both Standby Power Supplies to OFF
  C. Execute Shut Down Storage System in Unisphere Service tasks
  D. Click the Shut Down button in Unisphere system view
  C. Execute Shut Down Storage System in Unisphere Service tasks

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  Reference: https://www.emc.com/collateral/TechnicalDocument/docu69355.pdf