Which of the following is the successor of SSL?

A.
TLS

B.
RSA

C.
GRE

D.
IPSec

Explanation:
Transport Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), both of which are frequently
referred to as ‘SSL’, are cryptographic protocols that provide communications security over a computer
network.
https://en.wikipedia.org/wiki/Transport_Layer_Security