Topic 9 Question 31
Which of the following would not reduce your recovery time in the event of a disaster?
Make it as easy as possible to adjust the DNS record to cut over to your warm standby server.
Replace your warm standby server with a hot standby server.
Use a highly preconfigured machine image for deploying new instances.
Replace your active/active hybrid production environment (on-premises and GCP) with a warm standby server.
解説
An active/active hybrid production environment (on-premises and GCP) can continue running in the event that either the on-premises environment or the GCP deployment fails, so its recovery time would be zero. A warm standby server requires a manual DNS adjustment, so it will always take some time to recover. Making it easier to do the DNS adjustment will reduce the recovery time for the warm standby model, though. A hot standby server automatically fails over in the event that the main instance becomes unhealthy, so it has a lower recovery time than a warm standby server, which requires a manual failover. Typically, the smaller your RTO (Recovery Time Objective) is, the more preconfigured you will want your image to be. Reference: https://cloud.google.com/solutions/disaster-recovery-cookbook
コメント(4)
D is correct
👍 4Ziegler2020/06/06D - 'Not'
👍 4AshokC2020/09/23Answer cannot be D as it says "Replace ..." so you are downgrading from an active/active setup to an active/passive setup thus increasing your recovery time
Answer is B Replace your warm standby server to hot standby to reduce RTO as it requires no manual intervention.
👍 3cetanx2020/07/09
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