What combination of backup strategies provides the fastest b

What combination of backup strategies provides the fastest b - CompTIA DataSys+ DS0-001

Question

What combination of backup strategies provides the fastest backup restoration time?

Answers

Incremental backups and differential backups
Full backups and incremental backups
Partial backups and incremental backups
correct

Full backups and differential backups

Explanation

Correct Answer: d. Full backups and differential backups

The combination of full backups and differential backups provides the fastest restoration time. A full backup captures all data, and each differential backup records changes since the last full backup.

During restoration, only the full backup and the most recent differential backup are needed. This is faster than incremental backups, which require restoring the full backup plus every incremental backup made since then, increasing complexity and recovery time.

Why Other Options Are Incorrect:

A. Incremental backups and differential backups: This combination is inefficient for restoration. Restoring from incremental backups requires the last full backup and every incremental backup in sequence. Mixing it with differential backups can complicate the process and lead to longer recovery times.
B. Full backups and incremental backups: Although space-efficient for storage and backup time, this method is slower for restoration. Each incremental backup since the last full backup must be applied sequentially, making the restoration process time-consuming and error-prone if any backup is missing or corrupted.
C. Partial backups and incremental backups: "Partial backups" is not a standard backup type in server environments. This option lacks clarity and structure, leading to unpredictable restoration processes and increased risk of data inconsistency or failure during recovery.

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