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Dell E20-507 Exam Practice Questions (P. 1)

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Question #1
How many linked targets, per source, are allowed when using TimeFinder SnapVX?
  1. A
    128
  2. B
    256
  3. C
    512
  4. D
    1024

Correct Answer:
D
To access a point-in time-copy, create a link from the snapshot data to a host mapped target device. SnapVX supports up to 1,024 linked targets per source device. Links can be a permanent copy on a target device, or a temporary copy that no longer retains the point-in-time copy of the data once the link is removed.
Reference:
http://ireland.emc.com/collateral/TechnicalDocument/docu68926.pdf

Question #2
When creating a TimeFinder SnapVX snapshot, what is the maximum value in days that can be specified for Time-to-Live?
  1. A
    365
  2. B
    400
  3. C
    512
  4. D
    Unlimited

Correct Answer:
B
Reference:
http://ireland.emc.com/collateral/TechnicalDocument/docu68926.pdf
(page 18)

Question #3
A storage administrator currently has three snapshots with generation numbers 0,1, and 2. After adding a TimeFinder SnapVX snapshot, what is the generation number of the new snapshot?
  1. A
    0
  2. B
    1
  3. C
    2
  4. D
    3

Correct Answer:
A
Each time a new snapshot with the same name is created (on the same source device), the new snapshot becomes generation 0, and all of the previous generation numbers are incremented. SnapVX supports up to 256 snapshots per source device.
Reference:
http://ireland.emc.com/collateral/TechnicalDocument/docu68926.pdf

Question #4
What is the maximum Reserved Capacity percentage that can be set for an SRP in a VMAX3 array?
  1. A
    50
  2. B
    80
  3. C
    90
  4. D
    100

Correct Answer:
B
Valid values for Reserved Capacity percentage are from 1% to 80%, and NONE.
Reference:
https://www.emc.com/collateral/technical-documentation/h13697-emc-vmax3-local-replication.pdf

Question #5
What is the recommended maximum distance for an SRDF/S solution?
  1. A
    100 km
  2. B
    125 km
  3. C
    200 km
  4. D
    250 km

Correct Answer:
C
Reference:
https://community.emc.com/thread/123013?start=0&tstart=0

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