Computer Network VVI Question for BCA Semester V University Exam

 computer network
vvi question

1. what is network topology? define the all types of network topology.
2. what is OSI (open system interconnection) model? Explain the all layer of function in OSI model.
3. what is TCP/IP model?
4. what is the essence of modems? How DTE-DCE inter face works?
5. what is transmission media? Difference between guided and unguided transmission media.
6. what is attenuation? explain attenuation in a singal.
7. write the short notes:                                                                       a) Telephony system                                                                       b) Multiplexing                                                                               c) Error decetion and error correction                                             d) Device repeaters                                                                         e) Bridge and Gateway
8. what is routing ? define routing algorithm in computer network.
9. Discuss point-to-point protocol(PPP).
10. Discuss different protocol at application layers.
11. How circuit switching work in a computer network?
12.  What is link control protocol (LCP) and network control protocol(NCP)?
13. What is ISDN(integrated service digital network)? define ISDN layer and broardcast ISDN.