DEA-C01 Data Security and Governance Practice Question
A data engineer needs to ensure that data in transit between an Amazon RDS for PostgreSQL database and an application is encrypted. Which configuration should be used?
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
✓
Enable SSL/TLS for the database connection
Enabling SSL/TLS for the database connection encrypts the data in transit between the application and the RDS PostgreSQL instance, ensuring confidentiality. Option A (VPC peering) provides network connectivity but does not encrypt traffic. Option C (encryption at rest) protects data stored on disk, not in transit. Option D (IAM database authentication) controls access but does not encrypt the connection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use VPC peering to connect the application to the database
Why it's wrong here
VPC peering provides network connectivity but does not encrypt data in transit.
- ✓
Enable SSL/TLS for the database connection
Why this is correct
Enabling SSL/TLS encrypts the connection between the application and the database, securing data in transit.
- ✗
Enable encryption at rest for the RDS instance
Why it's wrong here
Encryption at rest protects stored data, not data in transit.
- ✗
Use IAM database authentication
Why it's wrong here
IAM database authentication controls access but does not encrypt the connection.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DEA-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 DEA-C01 exam.