ITPEC IP October 2022 Question 14
ITPEC IP October 2022 — Question 14 of 100
A hot standby keeps a backup machine running and ready so it can take over immediately after the active system fails. Because the standby is already operable and usually maintains current state or data, failover is much faster than starting an inactive backup from scratch.
Answer (c)
Why not others:
- (a) describes cloud computing
- (b) describes a duplex or parallel redundant system that performs the same processing simultaneously
- (d) describes cold standby, where an operator starts the backup after failure
Key rule: Hot standby is ready for rapid failover; cold standby requires startup and preparation before it can assume service.
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