CompTIA
N10-005 · Question #773
N10-005 Question #773: Real Exam Question with Answer & Explanation
The correct answer is A: PKI. PKI (Public Key Infrastructure) is the framework built on asymmetric encryption, using mathematically linked public and private key pairs.
Question
Which of the following is an example of asymmetric encryption?
Options
- APKI
- BSHA1
- CAES
- D3DES
Explanation
PKI (Public Key Infrastructure) is the framework built on asymmetric encryption, using mathematically linked public and private key pairs.
Common mistakes.
- B. SHA1 is a cryptographic hash function used for data integrity verification, not an encryption algorithm - it produces a one-way digest and does not involve encryption keys.
- C. AES (Advanced Encryption Standard) is a symmetric encryption algorithm that uses a single shared secret key for both encryption and decryption.
- D. 3DES (Triple DES) is a symmetric block cipher that applies the DES algorithm three times with one or more secret keys, making it a symmetric rather than asymmetric algorithm.
Concept tested. Asymmetric encryption and PKI key pairs
Reference. https://learn.microsoft.com/en-us/windows-server/identity/ad-cs/pki-design-guidance
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