What is a set of transmissions that are understood to contain data needed by applications and services on the network?
a)java
b)saas
c)protocol
d) systems interconnection

C) protocol

Explanation:

Protocol is the set of rules on how communication will take place between the parties involved. Protocol is the "language" of computers, that is, a kind of language that follows certain norms and standards. It is through protocols that communication between one or more computers is possible.

answer; i believe the answer is tls,transport layer security;