DBS-C01 Database Security Practice Question
A developer needs to grant an IAM user permission to perform automated backups of an Amazon RDS DB instance. Which IAM action should be allowed?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
rds:ModifyDBInstance
The question asks for the IAM action to perform automated backups of an Amazon RDS DB instance. Automated backups are managed by setting the backup retention period, which is configured using the ModifyDBInstance API call. Therefore, the correct IAM action is rds:ModifyDBInstance (option D). Option A (rds:BackupDBInstance) is not a valid IAM action. Option B (rds:CreateDBSnapshot) is for manual snapshots, not automated backups. Option C (rds:RestoreDBInstanceFromDBSnapshot) is for restoration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
rds:BackupDBInstance
Why it's wrong here
rds:BackupDBInstance is not a valid IAM action.
- ✗
rds:CreateDBSnapshot
Why it's wrong here
rds:CreateDBSnapshot allows taking manual snapshots, but the question specifies automated backups, which require ModifyDBInstance.
- ✗
rds:RestoreDBInstanceFromDBSnapshot
Why it's wrong here
rds:RestoreDBInstanceFromDBSnapshot is used to restore from a snapshot, not to perform backups.
- ✓
rds:ModifyDBInstance
Why this is correct
rds:ModifyDBInstance allows modifying the backup retention period to enable automated backups, which is the correct action for automated backups.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DBS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DBS-C01 exam.