Q1. Which of the following is true about Public Key Infrastructure?
A. PKI is a combination of digital certificates, public-key cryptography, and certificate authorities that provide enterprise wide security.
B. PKI uses two-way symmetric key encryption with digital certificates, and Certificate Authority.
C. PKI uses private and public keys but does not use digital certificates.
D. PKI uses CHAP authentication.
Correct Answer: A
Public-key infrastructure (PKI) consists of the following components:
1. Digital certificates,
2. Public-key cryptography, and
3. Certificate authorities
The above components are integrated to provide a wide area network security infrastructure that is secure,
and widely used in todays Internet environment.
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