A sys admin is planning to subscribe to the RDS event notifications. For which of the below mentioned source categories
the subscription cannot be configured?

A.
DB security group

B.
DB snapshot

C.
DB options group

D.
DB parameter group

Explanation:
Amazon RDS uses the Amazon Simple Notification Service (SNS. to provide a notification when an Amazon RDS event
occurs. These events can be configured for source categories, such as DB instance, DB security group, DB snapshot
and DB parameter group.