If you have chosen Multi-AZ deployment, in the event of a planned or unplanned outage of your primary DB
Instance, Amazon RDS automatically switches to the standby replic
a. The automatic failover mechanism simply changes the ______ record of the main DB Instance to point to
the standby DB Instance.
A.
DNAME
B.
CNAME
C.
TXT
D.
MX
B:
“When failing over, Amazon RDS simply flips the canonical name record (CNAME) for your DB Instance to point at the standby, which is in turn promoted to become the new primary”
https://aws.amazon.com/rds/faqs/
B. This question is also on the sys ops exam.
B.
CNAME
Correct answer is B