ITPEC FE Morning April 2019 Question 55
ITPEC FE Morning April 2019 — Question 55 of 80
Backup scheduling — plan backups to avoid overlap with business processes.
Backups are resource-intensive (disk I/O, CPU, network). Running them during business hours increases response time and degrades system performance. The correct practice is to schedule backups during off-peak periods (nights, weekends).
Why not others:
- (b) Long-term backup storage uses sequential-access media (tapes), not random-access — tapes are cheaper and more durable for archives.
- (c) Differential backup copies everything changed since the last full backup. It speeds up backup time compared to full backups, but does not specifically shorten recovery time — a full backup restores faster.
- (d) Storing backups on the same medium as source data defeats the purpose — if the medium fails, both are lost.
Key rule: schedule backups during off-peak hours to avoid impacting business process performance.
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