E20-515 Real Exam Questions and Verified Answers

Question 1 Single choice

What is a reason to preallocate space when binding thin devices?

A
To improve performance in thin hostile environments
B
To prevent back-end disk contention
C
To maximize striping of data over all data devices
D
To allow load balancing of host I/O

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Correct answer: A

Question 2 Single choice

What is a benefit of using TimeFinder Clone instead of TimeFinder VP Snap when running Enginuity 5876 or later?

A
Shared target allocations from a single source device are consolidated and can be relocated across Tiers using FAST VP for greater efficiency
B
TimeFinder Clone allows the target device to the larger than the source
C
TimeFinder Clone provides shared target track allocation for clone targets from the same source device
D
TimeFinder Clone allows Device-Level Write Pacing, TimeFinder VP Snap does not

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Correct answer: C

Question 3 Single choice

Which process does TimeFinder/Snap use?

A
Copy On First Write
B
Copy On First Access
C
ALPO
D
Continuous Copy

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Correct answer: A

Question 4 Single choice

At the end of the VLUN migration to unconfigured space, what happens to the original RAID group of the Symmetrix device?

A
Deleted
B
VTOC'd
C
iVTOC'd
D
Left Not Ready

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Correct answer: A

Question 5 Single choice

Which method is used to efficiently copy only the changes that were made to a split BCV device back to the standard?

A
Full Establish
B
Full Restore
C
Incremental Establish
D
Incremental Restore

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Correct answer: D

Question 6 Single choice

Refer to the exhibit.

What is the correct state for the Target R2 and Target BCV prior to issuing a symreplicate start command?

A
Split
B
Suspended
C
Synchronized
D
Write Disabled

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Correct answer: A

Question 7 Single choice

Refer to the exhibit.

Symmetrix Management Console will be deployed in a local configuration on Server A. Server A has access to the Symmetrix array over the SAN.

What licenses are required on Server A?

A
SMC key only
B
Base, SMC, and SYMAPI server keys
C
Base and SMC keys
D
Base and SYMAPI server keys

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Correct answer: B

Question 8 Single choice

A TimeFinder VP Snap session has been created and activated at 10 AM. Subsequently track number 1000 is written to on the Source device. At 11 AM a second TimeFinder VP Snap session is created and activated for the same Source device. After activation of the second session track number 2000 is written to on the Source device.

How will a read request to track 2000 on the target of the second TimeFinder VP Snap session be serviced?

A
Read request will access shared track in the thin pool used by the targets of the TimeFinder VP Snap sessions
B
Read request will access track number 2000 on the target of the first TimeFinder VP Snap session
C
Read request will be re-directed to the Source device
D
Read request will access track number 2000 on the target of the second TimeFinder VP Snap session

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Correct answer: A

Question 9 Single choice

A TimeFinder/Clone session was created and activated at 8 A.M. A full data copy finished at 9

A
M. An incremental restore from the clone target to the clone source is planned for 11 A.M.
Which condition must be satisfied for this incremental restore to be successful?
B
The original clone session must have been created with the differential option.
C
The original clone session must have been created with the precopy option.
D
The current clone session must first be terminated.
E
The current clone session must first be split from the source.

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Correct answer: A

Question 10 Single choice

On a Symmetrix array, which process could FAST DP use to relocate a device to another tier?

A
Either swap or move
B
Only swaps
C
Only moves
D
TF/Clone

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Correct answer: A