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ISRO-2014

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==>In World Wide Web,multiple client are connected to multiple servers.

==>All communication in the web between client and server is based on HTTP.

==>HTTP is based on TCP as when web client requests for web server ,a connection is established between client and server(handshaking protocol) and then resorces are accessed(i.e accesing the static/dynamic web pages).

==>HTTP is using port number 80.

you can it out here http://www.cs.vu.nl/~ast/books/ds1/11.pdf

so,clearly answer must be B)TCP,80

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