ITPEC FE Morning October 2023 Question 58
ITPEC FE Morning October 2023 — Question 58 of 80
A cold start (also called initial program load, IPL) restarts the system from scratch — it does not use before-images or after-images from transaction logs. It is used when journal-based recovery is not possible.
Why not others:
- (b) Rollback — undoes uncommitted transactions using before-images from the log
- (c) Rollforward — reapplies committed transactions using after-images from the log
- (d) Warm start — restarts using transaction logs to recover to a consistent state
Key rule: Cold start = no logs, no copies — full restart from initial state (IPL).
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