350-701 · Question #295
Which type of encryption uses a public key and private Key?
The correct answer is A. asymmetric. Asymmetric encryption, also known as public-key cryptography, is characterized by its use of a distinct public key for encryption and a corresponding private key for decryption.
Question
Which type of encryption uses a public key and private Key?
Options
- Aasymmetric
- Bsymmetric
- Clinear
- Dnonlinear
How the community answered
(47 responses)- A94% (44)
- B2% (1)
- C2% (1)
- D2% (1)
Why each option
Asymmetric encryption, also known as public-key cryptography, is characterized by its use of a distinct public key for encryption and a corresponding private key for decryption.
Asymmetric encryption employs a pair of mathematically linked keys: a public key that encrypts data and a private key that decrypts it, making it suitable for secure communication without prior shared secrets.
Symmetric encryption uses a single, shared secret key for both encryption and decryption, not a public and private key pair.
Linear and nonlinear are mathematical terms that do not describe the fundamental types of encryption based on key management.
Linear and nonlinear are mathematical terms that do not describe the fundamental types of encryption based on key management.
Concept tested: Asymmetric encryption key pairs
Source: https://learn.microsoft.com/en-us/azure/security/fundamentals/encryption-overview
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