ExpertMedium1 markMultiple Choice
CPA · Question 52 · Area I: Information Systems
A company uses 'Mirroring' for its database. What is the primary advantage of this approach?
A company uses 'Mirroring' for its database. What is the primary advantage of this approach?
Answer options:
A.
Long-term archival storage.
B.
High availability and immediate failover capability.
C.
Protection against ransomware.
D.
Reduced storage costs.
How to approach this question
Identify the benefit of having two identical active copies.
Full Answer
B.High availability and immediate failover capability.✓ Correct
High availability and immediate failover capability.
Mirroring provides redundancy. It is distinct from backups because it replicates changes immediately.
Common mistakes
Thinking mirroring is a backup (it's not, because it replicates errors too).
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