CISA · Question #357
Which of the following backup systems is executed at the server level by special software running on the server and on the target server?
The correct answer is D. Host-based replication. Host-based replication uses agents or software installed directly on both the source server and the target (destination) server. It operates at the operating system or application layer, replicating data independently of the underlying storage hardware. Disk array-based…
Question
Which of the following backup systems is executed at the server level by special software running on the server and on the target server?
Options
- ADisk array-based replication
- BSnapshots
- CVirtual tape libraries
- DHost-based replication
How the community answered
(42 responses)- B2% (1)
- C5% (2)
- D93% (39)
Explanation
Host-based replication uses agents or software installed directly on both the source server and the target (destination) server. It operates at the operating system or application layer, replicating data independently of the underlying storage hardware. Disk array-based replication (A) is managed by the storage hardware itself, not server-level software. Snapshots (B) are point-in-time copies of data, typically managed by the storage or hypervisor layer. Virtual tape libraries (C) are storage devices that emulate physical tape libraries for backup data, not a replication method executed by server-level software.
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