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Dell E20-807 Exam Practice Questions (P. 1)

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Question #1
Based on the Array Utilization Dashboard shown in the exhibit, a frontend port is showing higher utilization on Director 1.
How can this situation be corrected?

  1. A
    Add another engine to provide for Frontend Emulation CPUs
  2. B
    Redistribute the workload onto other available ports
  3. C
    Increase cache on the engine
  4. D
    Add additional capacity to support the frontend workload

Correct Answer:
B

Question #2
What is the best practice for FA utilization in a VMAX3 array?
  1. A
    50% busy with two engines
  2. B
    50% busy with more than two engines
  3. C
    50% busy with one engine
  4. D
    50% busy with two or more engines

Correct Answer:
A

Question #3
What is a key difference between SRDF/Metro and SRDF/S?
  1. A
    SRDF/Metro: R1 devise is host accessible, R2 is red-only SRDF/S: R1 is host accessible, R2 is write disabled
  2. B
    SRDF/Metro: R1 and R2 devices are host accessible at the same time SRDF/S: R1 devices are host accessible, R2 devices are write disabled
  3. C
    SRDF/Metro: R2 can be larger than R1 SRDF/S R2 cannot be larger than R1
  4. D
    SRDF/Metro: Requires a third array for any witness functionality SRDF/S: Does not require a third array

Correct Answer:
B

Question #4
SRDF/Metro has been deployed. What is the state and external identity of the R2 devices after initial synchronization has completed?
  1. A
    State: Read/Write Identity: R1 Identity
  2. B
    State: Read/Write Identity: Original Identity
  3. C
    State: Write Disabled Identity: Original Identity
  4. D
    State: Write Disabled Identity: R1 Identity

Correct Answer:
A
Reference:
https://www.emc.com/collateral/technical-documentation/h14556-vmax3-srdf-metro-overview-and-best-practices-tech-note.pdf? isKoreaPage=false&domainUrlForCanonical=https%3A%2F%2Fwww.emc.com
(page 9)

Question #5
What is requirement when setting up a Composite Group (CG) for SRDF/Star in an open systems environment?
  1. A
    Composite Group is created with the Star Build CG action
  2. B
    Composite Group is created with the type set to ANY
  3. C
    Recovery group assignments should match the recovery groups defined in the Star Options file
  4. D
    Names assigned to RDF groups match the site names in the Star Options file

Correct Answer:
C

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