What is virtual path?

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

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

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

Correct Answer: One of two sublayers of the data link layer of OSI reference model, as defined by the IEEE 802 standard This sublayer is responsible for maintaining the link between computers when they are sending data across the physical network connection

Correct Answer: TRUE

Explanation:

It provides a framework for discussing network operations and design

Correct Answer: Routable protocols can work with a router and can be used to build large networks Non-Routable protocols are designed to work on small, local networks and cannot be used with a router

Correct Answer: FALSE

Explanation:

MAU is Multistation Access Unit