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With the help of an example for each, write the usage and syntax for the following LINUX commands.

(1)cAT[OPTIONS] FILE  –  concatenate (list) a file (2) diff [option] file1 file2  – compare the two files and display the differnces (text files only) (3) sort [option] file  –  read commands form the file and execute them in the current shell. source: C shell, :Bpurne charc (4)cmp[option] file1 file2  –  compress file and save it…

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Explain the following with reference to domain name system(DNS):

(1) DNS architecture Name SERVERS are server programs, which hold information about the domain tree’s structure and set information. A name server may cache structure or set information about any part of the domain tree, but in general a particular name name server has complete information about a subset of the domain space and pointers…

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List and explain the various networking topologies.

A network topology refers to the physical layout of the network in which all the devices are connected. This includes all the hardware that makes up the network. The points of connection to the network by the stations are called nodes or workstations.A number of possible network topologies are available. The choice of network topology…

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