Which statements are true with regard to the purpose of setting up a communication protocol?

The whole question would be:

Which statements are true with regard to the purpose of setting up a communication protocol?

1: A communication protocol is set up to establish a relationship between the sender and recipient of the message.

2:It also covers how to communicate with friends and relatives. A communication protocol also defines acceptable behavior in a work environment.

3 :A communication protocol does not cover etiquette that needs to be followed during professional conduct.

CORRECT ANSWER:

1: A communication protocol is set up to establish a relationship between the sender and recipient of the message.

2:It also covers how to communicate with friends and relatives. A communication protocol also defines acceptable behavior in a work environment.

600 dollars if i'm not mistaken.

with whom will you be coming to the party? this is written correctly.