Correct Answer: It is the protocol the routers in neighboring autonomous systems use to identify the set of networks that can be reached within or via each autonomous system

Correct Answer: It is any routing protocol used within an autonomous system

Correct Answer: It is a system that performs a protocol translation between different electronic mail delivery protocols

Correct Answer: Wide-mouth frog is the simplest known key distribution center (KDC) authentication protocol

Correct Answer: It is a problem that can ruin TCP performance This problem occurs when data are passed to the sending TCP entity in large blocks, but an interactive application on the receiving side reads 1 byte at a time

Correct Answer: When hierarchical routing is used, the routers are divided into what we call regions, with each router knowing all the details about how to route packets to destinations within its own region, but knowing nothing about the internal structure of other regions

Correct Answer: Sending a message to a group is called multicasting, and its routing algorithm is called multicast routing

Correct Answer: Packet filter is a standard router equipped with some extra functionality The extra functionality allows every incoming or outgoing packet to be inspected Packets meeting some criterion are forwarded normally Those that fail the test are dropped

Correct Answer: Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is called path

Correct Answer: Virtual channel is normally a connection from one source to one destination, although multicast connections are also permitted The other name for virtual channel is virtual circuit