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SY0-301 · Question #672

In PKI, a key pair consists of: (Select TWO).

The correct answer is B. A public key C. A private key. A PKI key pair is an asymmetric cryptographic pair consisting of a public key and a private key that are mathematically linked.

General security concepts

Question

In PKI, a key pair consists of: (Select TWO).

Options

  • AA key ring
  • BA public key
  • CA private key
  • DKey escrow
  • EA passphrase

How the community answered

(47 responses)
  • A
    2% (1)
  • B
    91% (43)
  • D
    4% (2)
  • E
    2% (1)

Why each option

A PKI key pair is an asymmetric cryptographic pair consisting of a public key and a private key that are mathematically linked.

AA key ring

A key ring is a storage container or keychain used to manage multiple keys, not a component of a key pair.

BA public keyCorrect

The public key is the shareable half of the asymmetric key pair, distributed openly so others can encrypt data or verify signatures.

CA private keyCorrect

The private key is the secret half of the pair, kept exclusively by the owner to decrypt data or create digital signatures; together these two keys form the key pair.

DKey escrow

Key escrow is a process of storing a copy of a key with a trusted third party for recovery purposes, not part of the key pair itself.

EA passphrase

A passphrase may be used to protect a private key file but is not itself a component of the cryptographic key pair.

Concept tested: PKI asymmetric key pair components

Source: https://learn.microsoft.com/en-us/windows/win32/seccertenroll/public-key-infrastructure

Topics

#PKI#public key#private key#asymmetric cryptography

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