1d

Question 1

Transmission authentication is used to validate the authenticity of messages or information received when two-way communication is required.

Answer 1

True

Question 2

Transmission authentication time is valid if it is not more than_____ minute(s) earlier or later than the current time.

Answer 2

2

Question 3

Which authentication system ensures the validity of the calling party by the called party?

Answer 3

Challenge and Reply

Question 4

During challenge and reply what event would even require an immediate re-challenge?

Answer 4

Challenged party states ‘Stand by”