Application layer protocol defines ____________
A. types of messages exchanged
B. message format, syntax and semantics
C. rules for when and how processes send and respond to messages
D. all of the mentioned
Answer:D
Application layer protocol defines ____________
A. types of messages exchanged B. message format, syntax and semantics C. rules for when and how processes send and respond to messages D. all of the mentioned
Explanation: Application layer deals with the user interface, what message is to be sent or the message format, syntax and semantics. A user has access to application layer for sending and receiving messages.