DBS-C01 Database Security Practice Question
A developer needs to grant an IAM user the ability to perform all operations on an Amazon RDS DB instance except the ability to delete it. Which IAM policy action should be explicitly denied?
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:DeleteDBInstance
To prevent deletion, you must explicitly deny the rds:DeleteDBInstance action. Option A (rds:RebootDBInstance) is incorrect because it only reboots the instance. Option B (rds:StopDBInstance) is incorrect because it only stops the instance. Option C (rds:ModifyDBInstance) is incorrect because it only modifies the instance. Option D (rds:DeleteDBInstance) is the correct action to deny to prevent deletion.
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:RebootDBInstance
Why it's wrong here
Rebooting does not delete.
- ✗
rds:StopDBInstance
Why it's wrong here
Stopping does not delete.
- ✗
rds:ModifyDBInstance
Why it's wrong here
Modifying does not delete.
- ✓
rds:DeleteDBInstance
Why this is correct
Explicitly denying this action prevents deletion.
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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.