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Free E20-393 Exam Braindumps (page: 14)

Page 13 of 75
PDF with 297 Questions

Which operation can be performed from the FAST VP settings section in the Unisphere Settings window?

  1. Enable scheduled data relocation for a specific pool
  2. Exclude pool from the data relocation schedule
  3. Enable scheduled data relocation at the system level
  4. View the data relocation progress between tiers

Answer(s): A

Explanation:

FAST VP accelerates performance of a specific storage pool by automatically moving data within that pool to the appropriate drive technology, based on data access patterns. FAST VP is only applicable to hybrid pools. FAST VP is most effective if data relocations occur during or immediately after normal daily processing. EMC recommends scheduling FAST VP relocations to occur before backups or nightly batch processing.



Through which protocols are backend storage provisioned to the ESXi host when deploying a UnityVSA system?

  1. iSCSI, SMB, and NFS
  2. iSCSI and NFS only
  3. FC, iSCSI, and NFS
  4. FC and iSCSI only

Answer(s): A

Explanation:

UnityVSA supports SMB, NFS, and iSCSI.


Reference:

https://www.emc.com/collateral/TechnicalDocument/docu69362.pdf (page 4)



Where do the D@RE encryption/decryption functions occur in the Unity storage system?

  1. Host I/O Modules
  2. Storage Processor Cache
  3. SAS I/O Module
  4. Self-encrypting drives

Answer(s): C

Explanation:

Upon installation and activation of the feature, the following keys are generated by RSA BSAFE and persisted to the Lockbox:
-KEK Wrapping Key (KWK)
-Data Encryption Keys (DEKs) for all bound drives

A new KEK is generated each time the array boots. The KEK is wrapped with the KWK and passed to the SAS controller during the system boot process. Using the persisted KWK, the SAS controller can decrypt the KEK.

Incorrect Answers:
D: Self-Encrypting Drive (SED) technology is another variation of D@RE which is widely used and offers similar functionality as CBE. However, with SEDs, you have to pay a premium on every drive and only certain drives are offered in SED form.


Reference:

https://www.emc.com/collateral/white-paper/h13296-dare-wp.pdf (page 8)



Based on the exhibit, which port can provide either Fibre Channel or Ethernet connectivity for host access?

  1. A
  2. B
  3. C
  4. D

Answer(s): D

Explanation:

Example:


Reference:

http://www.slideshare.net/USSCru/emc-unity-vnxvnx2-emc






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