Dell-EMC

D-ISM-FN-01 · Question #126

In a copy on first access (CoFA) technique, when is data copied from the source to the target?

The correct answer is C. A read or write is issued for the first time to a location on the target. See the full explanation below for the reasoning.

Data Protection

Question

In a copy on first access (CoFA) technique, when is data copied from the source to the target?

Options

AAll writes are issued to a location on the source
BAll writes are issued to a location on the target
CA read or write is issued for the first time to a location on the target
DA read is issued for the first time from a location on the source

How the community answered

(32 responses)

A
9% (3)
B
16% (5)
C
72% (23)
D
3% (1)

Topics

#copy on first access#CoFA#snapshot techniques#data replication

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