CV0-003 · Question #642
A systems administrator deployed a new application release to the green stack of a blue-green infrastructure model and made the green stack primary. Immediately afterward, users began reporting…
The correct answer is B. Failback to the blue stack. Failback is the process of switching back to the previous version of an application or service. In this case, the blue stack is the previous version of the application. Failing back to the blue stack is the fastest way to restore the service because it does not require any…
Question
A systems administrator deployed a new application release to the green stack of a blue-green infrastructure model and made the green stack primary. Immediately afterward, users began reporting application issues. The systems administrator must take action to bring the service online as quickly as possible. Which of the following is the FASTEST way to restore the service?
Options
- AReboot all the servers in the green stack
- BFailback to the blue stack
- CRestore from backups
- DTroubleshoot and resolve the application issues
How the community answered
(21 responses)- B86% (18)
- C10% (2)
- D5% (1)
Explanation
Failback is the process of switching back to the previous version of an application or service. In this case, the blue stack is the previous version of the application. Failing back to the blue stack is the fastest way to restore the service because it does not require any downtime.
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