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Dell DES-1423 Exam Practice Questions (P. 1)

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Question #1
When reviewing the actual protection output of N+4/2, what does the number “4” represent?
  1. A
    FEC stripe units per stripe
  2. B
    Hard drives used per stripe
  3. C
    Volume stripes per file system
  4. D
    FEC stripe units per file system

Correct Answer:
A

Question #2
What impact can obsolete drive firmware have on an Isilon cluster?
  1. A
    Reduces administrative overhead and increases performance.
  2. B
    Affects redundancy settings and FEC coding.
  3. C
    Affects cluster performance or hardware reliability.
  4. D
    Increases runtime and cluster performance.

Correct Answer:
C

Question #3
What defines FEC link aggregation mode?
  1. A
    Switches to the next interface when the primary interface becomes unavailable.
  2. B
    Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses, and VLAN tag.
  3. C
    Balances outgoing traffic based on hashed protocol header information that includes source and destination addresses.
  4. D
    Balances outbound traffic across all active ports in the aggregated link.

Correct Answer:
B

Question #4
In Isilon OneFS, what is a characteristic of CoW with snapshots?
  1. A
    Used for small changes, inodes, and directories.
  2. B
    Avoids the double write penalty.
  3. C
    Increases file fragmentation.
  4. D
    Used for more substantial changes such as deletes.

Correct Answer:
A

Question #5
Which OneFS networking option enables Isilon for DNS multitenant functionality?
  1. A
    Groupnet
  2. B
    Access zone
  3. C
    Pool
  4. D
    Subnet

Correct Answer:
A

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