A user has launched an RDS postgreSQL DB with AWS. The user did not specify the maintenance window during creation.
The user has configured RDS to update the DB instance type from micro to large. If the user wants to have it during the
maintenance window, what will AWS do?
A.
AWS will not allow to update the DB until the maintenance window is configured
B.
AWS will select the default maintenance window if the user has not provided it
C.
AWS will ask the user to specify the maintenance window during the update
D.
It is not possible to change the DB size from micro to large with RDS
Explanation:
AWS RDS has a compulsory maintenance window which by default is 30 minutes. If the user does not specify the
maintenance window during the creation of RDS then AWS will select a 30-minute maintenance window randomly from
an 8-hour block of time per region. In this case, Amazon RDS assigns a 30-minute maintenance window on a randomly
selected day of the week.
B
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B
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B
http://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.Maintenance.html
“The 30-minute maintenance window is selected at random from an 8-hour block of time per region. If you don’t specify a preferred maintenance window when you create the DB instance or DB cluster, then Amazon RDS assigns a 30-minute maintenance window on a randomly selected day of the week.”
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