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
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.