CBSE Class 12 Computer Science — Computer Networks

With respect to computer networks, which of the following is the correct expanded form of RJ 45 ?

Which network device serves as the entry and exit point of a network, as all data coming in or going out of a network must first pass through it in order to use routing paths ?

Expand the term XML.

(a) List one advantage and one disadvantage of Bus topology. OR (b) What is protocol in the context of computer networks? Which protocol is used to transmit hypertext across the web?

Suggest the most appropriate location of the server inside the Amritsar University Campus. Justify your choice.

Draw the cable layout to efficiently connect various blocks within the Amritsar University Campus.

Name any two wired media that can be used to connect various computers of a block inside Amritsar Campus.

For the academic purpose, the University will provide its own 24 x 7 FM channel within the University Campus. Which communication medium, out of the following, is used by FM ?

(a) The students will be attending a lot of online academic sessions and workshops. These will involve audio-visual communication. Write the full name of the protocol which will be used for such a communication through the internet. OR (b) Where should a repeater be installed in Amritsar University campus to boost the signal between blocks ? Justify your answer.