What is the difference between an 'Symmetric' and 'Asymmetric' KMS key?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Symmetric uses the same key for encryption and decryption; Asymmetric uses a public/private key pair

Symmetric keys are standard for data-at-rest encryption, while asymmetric keys are often used for digital signatures or external data exchange....

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Real Exam ScenarioAWS KMS

What is the difference between an 'Symmetric' and 'Asymmetric' KMS key?

✓ Correct Answer & ExplanationAWS KMS

Correct Answer

Symmetric uses the same key for encryption and decryption; Asymmetric uses a public/private key pair

Why This Answer Is Correct

Symmetric keys are standard for data-at-rest encryption, while asymmetric keys are often used for digital signatures or external data exchange.

📚 What This Question Tests

This question evaluates your knowledge of AWS KMS — a core concept tested in AWS Certified Solutions Architect – Associate (SAA-C03). Understanding AWS KMS is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.