BSc CS Sem 4 ATKT COMPUTER NETWORKS Question Paper - Mumbai University | munotes

Questions asked in this paper

1. Q2 to the right indicate marks
2. Q3 Hlustrations, in-depth answers and diagrams be Choose best choice for the following questions: (5 M) In mode, the communication is YA can be Hybrid b) A mesh topology is robust Star requires less Star is in High (ili) The _ Layer is responsible for the source to -destination delivery ofa Attenuation. distortion, and noise can not signal
   • a) TRUE 3 b) The mest common technique to change an analog signal to digital data is
   • (b) in the blanks. Use following to answer question. (5 M)
   • (i) Line coding is the process of converting digital data to a work on Layer (ili) Error and control are the responsibilities layer
   • (iv) TCP/IP is a Protocol suite developed before the OS]
   • (v) IP address consists of — separated by dots, Answer the following questions; (5 M) List key elements of Protocol, Consider a noiseless with a bandwidth of 3000Hz transmitting a signal with two signal levels, What wil] be the bit rate?
   • (iii) What are different Characteristic of Data Communications? What are different ways in which Analog to Analog conversion can be are the Specific services Provided by the application layer?
   • Q.P. Code: 33716 Attempt the following (Any of Attempt the following (Any THREE, of What are the differences between and serial transmission? Which technique is used fibar optic link? Explain the reason } Name the advantages of optical fiber 2: and coaxial Describe the need for and a switch. > How does a single bit error differ from error? the concept of redundancy in error detection and correction
3. Q4 Atiempt the following (Any (Lach of
   • (a) a short note on Process to Process delivery ib) Discuss the disadvantages of Classful addressing Explain the working of CDMA
   • (d) are the differences between random and controlled access? the-terms: i) ii)Routers
   • (f) Write a short oh Sérvices of TCP
4. Q5 Attempt the following (Any THREE) (Each of us) Name and explain ant three types of transmission impairments
   • (b) contrast a circuit switched network and Packet switched network. >
   • (c) a short versus Connection-Oriented Service”,
   • (d) periodic signal is decomposed inte five sine waves with frequencies 100, 300, 500, 700 and-900 Hz; what is its bandwidth? Draw the spectrum, assuming all components have maximum amplitude of
   • (e) Write a short note on Pulse Code Modulation (PCM),

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