IMP... QUESTION FOR 1ST MID DCS...3-1 cse

                                                               
1.explain in detail about different layers of ISO-OSI model ?
2.write about different Networks topologies?
3.define a)-information capity,bits,bitrate,baudrate.
             b)-M-ray incoading
             c)-electrical noise
             d)-signal 2 noise ratio
4.define metallic transmission line & diff. types of metalic transmision lines with neat sketches ?
5.Explain block diagram of optical fiber communication system with advantage & disadvantage.
6.define a)-Reflection
             b)-refraction
             c)-Critical angle
             d)-Acceptance Angle
             e)-numerical aperture
             f)-Snell's law
7.Explain about block diagram of signals channel PCM system.
8.With a neat sketch explain North American digital Multiplying Hirearchy ?
9.define Multiplexing ? Different types of Multiplexing.
10.Explain tabout terrestrial propagation of EM.waves and Define Skip distance.

TEXT BOOK..... of  DCS

http://www.mediafire.com/file/qno7od...S_Forouzan.pdf

Data Communication System (DCS) Notes

http://www.mediafire.com/file/x2dyke...nits wise).rar

Some more Study Material

http://www.mediafire.com/file/an1ew3...munication.rar

http://www.mediafire.com/file/f569il127v9b2ib/Data Communication notes(PPT's).rar