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Q. The local host and the remote host are defined using IP addresses. To define the processes, we need second identifiers called ____________.

Q. Transport layer is _____________ the data link layer.

Q. UDP is called a ________________transport protocol.

Q. Which of the following is true about ICMP messages?

Q. The PDU of network layer is

Q. The physical layer is responsible for

Q. ________ defines how a particular pattern to be interpreted, and what action is to be taken based on that interpretation.

Q. Wireless transmission can be done via

Q. World Wide Web

Q. In the sending computer, UDP receives a data unit from the _______ layer.