Computer Networking (CN) — Winter 2020

Write any seven. 1. Baud Rate 2. Filters 3. Write one disadvantage of layering scheme. 4. Difference between OSI and TCP/IP 5. Fourier Component 6. Define Microwaves. 7. Write full form of RED. 8. Composite Signal

Do as directed: 1. Difference between connection oriented vs. connection less. 2. Explain framing techniques. Explain any one technique in detail with example. What is OSI Model? Explain the functions and protocols and services of each

07 layer?

Define a Computer Network. Explain categories of Computer Networks in detail. What is modulation, Explain different section of modulation?

07

Explain Propagation mode of Fiber Optic cable.

Show why FDM and TDM are not suitable for bursty data.

Generate CRC for frame 1101011011 using generator 10011.

What is hidden station and exposed station problem? Give the solution.

Discuss in brief about sliding window protocols

Show how the binary exponential algorithm works.

How does DCF communication works using RTS and CTS?

Explain DV and LS routing algorithms.

What is congestion? How is congestion controlled in virtual circuit Network?.

What is IPSec? Discuss its usefulness?

What is two-army or two general problem? How is it related to connection closing?