Question

A protocol defines which of the following?

Format of a message.

Order of messages sent and received.

Actions taken on transmission and/or receipt of a message.

All of the above are true. Which of the following is unguided physical media? Coaxial Cable Fiber-optic Cable Radio Waves Twisted-pair Copper Two fundamental approaches to moving data through a network of links and switches are circuit switching and __________ switching. data information packet signal The traditional telephone network is an example of a circuit-switched network. True False Consider a router with a full finite buffer and a packet arrival rate that exceeds the output link capacity of the router. When a new packet arrives, the router will __________ . ask that the incoming packet be resent. drop the incoming packet. replace the packet at the front of the queue with the incoming packet. save the packet for later. The Internet can be described as a "network of networks". True False The internet protocol stack described in the text has __________ layers. 8 6 7 5 __________ is a general term for "stuff" that can infect computational devices. Garbage Malware Trash Waste

Answer 1

QUESTION: A protocol defines which of the following?

ANSWER: All of the above are true

QUESTION: Which of the following is unguided physical media?

ANSWER: Radio-wave

QUESTION: Two fundamental approaches to moving data through a network of links and switches are circuit switching and __________ switching.

ANSWER: Packet

QUESTION: The traditional telephone network is an example of a circuit-switched network.

ANSWER: False. As traditional telephone network is an example of packet-switched network