What does PKI use to provide some of the strongest overall control over data confidentiality, reliability, and integrity for Internet transactions?
A . A combination of public-key cryptography and digital certificates and two-factor authentication
B . A combination of public-key cryptography and two-factor authentication
C . A combination of public-key cryptography and digital certificates
D . A combination of digital certificates and two-factor authentication
Answer: C
Explanation:
PKI uses a combination of public-key cryptography and digital certificates to provide some of the strongest overall control over data confidentiality, reliability, and integrity for Internet transactions.