COMPUTER FUNDAMENTALS

COMPUTER ETHICS AND SECURITY

CRYPTOGRAPHY AND ENCRYPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is not the duty of the CA in the PKI (Public Key Infrastructure)?
A
issuing certificates
B
revoking certificates
C
revoking licenses
D
issuing public-private key pairs
Explanation: 

Detailed explanation-1: -A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.

Detailed explanation-2: -Explanation: The components of Public Key Infrastructure are CA, RSA, RA, and digital certificates. Therefore, XA is not a component of public key infrastructure (PKI).

Detailed explanation-3: -Custom is not one of the main PKI trust models.

Detailed explanation-4: -A Certificate Authority (CA) is a trusted third party that verifies the identity of an organization applying for a digital certificate. After verifying the organization’s identity, the CA issues a certificate and binds the organization’s identity to a public key.

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