The new DB Instance that is created when you promote a Read Replica retains the backup window period.

A.
TRUE

B.
FALSE

Explanation:
“The new DB instance that is created when you promote a Read Replica retains the backup retention period,
backup window period, and parameter group of the former Read Replica source.” http://docs.aws.amazon.com/
AmazonRDS/latest/UserGuide/USER_ReadRepl.html