A network engineering team needs to upgrade the operating system across core firewall pairs to patch a critical zero-day vulnerability. Place the standard change management stages in the correct chronological order from first to last.
- 1Draft and submit a formal Request for Change (RFC) detailing technical scope, risk evaluation, and rollback steps.
- 2Present the RFC to the Change Advisory Board (CAB) for impact assessment and formal authorization.
- 3Validate the update in a non-production sandbox environment and broadcast the approved maintenance window.
- 4Deploy the software update during the maintenance window and perform post-change verification testing.
- 5Conduct a post-implementation review (PIR), update configuration baselines, and close the change ticket.
Cevap
The correct chronological order for the change management lifecycle is: (1) Draft and submit a formal RFC, (2) Present the RFC to the CAB for review and approval, (3) Perform sandbox testing and broadcast the maintenance window, (4) Deploy updates during the maintenance window and conduct verification testing, and (5) Perform a post-implementation review, update baseline documentation, and close the ticket.
The standard network change management process follows a clear administrative and operational sequence: initial request documentation (RFC creation), administrative governance (CAB authorization), staging and scheduling (sandbox testing and maintenance window notification), active implementation (deployment and post-change testing), and final administrative closure (post-implementation review and baseline updating).
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Standard Network Change Management Lifecycle