What happens to the I/O operations while you take a database snapshot?
A.
I/O operations to the database are suspended for an hour while the backup is in progress.
B.
I/O operations to the database are sent to a Replica (if available) for a few minutes while the backup is inprogress.
C.
I/O operations will be functioning normally
D.
I/O operations to the database are suspended for a few minutes while the backup is in progress.
B
http://www.aiotestking.com/amazon/what-happens-to-the-io-operations-while-you-take-a-database-snapshot/
Probably won’t be on the exam as AWS doesn’t say a few minutes, it’s a few seconds
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B is wrong
C is probably right, maybe A if you think a few seconds and few minutes are the same thing.
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As per http://jayendrapatil.com/aws-rds-db-snapshot-backup-restore/
It is D.
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It is D.
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