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Q. IGMP is _______ protocol.

Q. When a primary device wants to send data to a secondary device, it needs to first send _______ frame.

Q. UDP does not add anything to the services of IP except for providing _______ communication.

Q. _______ in the data link layer separates a message from one source to a destination, or from other messages going from other sources to other destinations.

Q. In a _______ connection, more than two devices can share a single link.

Q. Challenge-response authentication can be done using ________.

Q. In _______ forwarding, the destination address is a network address in the routing table.

Q. The physical layer is responsible for

Q. Shift cipher is sometimes referred to as the

Q. Application layer protocol defines