ITPEC IP October 2019 Question 16
ITPEC IP October 2019 — Question 16 of 100
A hot standby keeps a backup machine running and ready so it can take over immediately when the active machine fails. Because the standby is already operational and synchronized as required, failover is much faster than starting an inactive backup.
Answer (c)
Why not others:
- (a) describes a cloud-style collection of remotely provided resources
- (b) describes a dual system that performs the same work simultaneously and compares results
- (d) describes cold standby, where an operator must start the backup after failure
Key rule: Hot standby is ready for rapid failover; cold standby requires startup and preparation after the fault.
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