What do you mean by node
What do you mean by the term node?
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A network can comprise of two or more computers directly joined by some physical medium like coaxial cable or the optical fiber. Such a physical medium is termed as Links and the computer it connects is termed as the Nodes.
What is meant by the term ICMP?
Define pseudo TTY: A pseudo TTY or false terminal allows external machines to join via Telnet or rlogin. Without pseudo TTY, no connection can occur.
Explain what is meant by the multicast? Discuss how does the given bridge learn if it must forward the multicast frame over the given port?
Explain how higher-level data is taken by IP to the destination host?
Why are intra-area synopsis routes not permitted?
Compare and contrast digital subscriber line (DSL) and the cable modem. (Use bullets for each of the items you compare and contrast. Give at least six key in points of comparison.) Which is more better, DSL or cable modems? Elucidate.
Give a brief explanation of the term DNS name.
Write down Basic functions of SMTP.
What is the aim of a default route? Answer: The default route is employed when there is not a particular entry in the routing table for destination.  
Name the various network classes and describe its various ranges of addresses within classes of internet addresses?
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