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Computer Networks
Application Layer
Q
Application layer protocol defines ____________
AA. Types of messages exchanged
BB. Message format, syntax and semantics
CC. Rules for when and how processes send and respond to messages
DD. All of the mentioned
Correct Answer:
D. 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.