Weekly CISSP Exam Questions
Which encryption method uses the same key for both encryption and decryption?
A. Asymmetric Encryption
B. Symmetric Encryption
C. Hashing
D. Elliptic Curve Cryptography
Answer: B. Symmetric Encryption
Explanation:
- Symmetric Encryption: Uses the same key for encryption and decryption.
- Asymmetric Encryption: Uses a pair of public and private keys.
- Hashing: One-way function, not for encryption.
- Elliptic Curve Cryptography: A form of public-key cryptography.
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