III B.Tech I Semester(R05) Supplementary Examinations, November 2010 COMPUTER NETWORKS (Common to Computer Science & Engineering and Information Technology) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Differentiate between the following: (a) WAN and Internet (b) Connection oriented service and Connection less service (c) OSI Vs TCP/IP.
[5+5+6]
2. (a) Television channels are 6MHz wide. How many bits/sec can be sent if four level digital signals are used? Assume a noiseless channel (b) How does a virtual circuit differ from a physical circuit? What advantages would a virtual circuit provide? [8+8] 3. Explain in detail the two data link protocols widely used in the Internet?
[16]
4. (a) Discuss about the file key assumptions in case of dynamic channel allocation in LANs and WANs? (b) Discuss in detail the working of token bus?
[8+8]
5. What are the services provided by Network layer to Transport layer. Explain.
[16]
6. (a) Explain how fragmentation is done and how fragments are reassembled. (b) What are the advantages of hierarchical addressing over flat addressing? (c) What is Three bears problem? Explain it.
[6+4+6]
7. (a) Suggest modifications to TCP to make it suitable for short data transfers. (b) UDP provides only connectionless service. For applications which use UDP how you provide reliability. [10+6] 8. (a) What is cipher block chaining? Why it is used. What are its advantages & disadvantages? (b) What is cipher feedback mode? Why it is used? ?????
(b) What is cipher feedback mode? Why it is used? [10+6] ? ? ? ? ? Page 1 of 1. B Tech 3-1 R05 CN Question Paper.pdf. B Tech 3-1 R05 CN Question Paper.pdf.
Explain how in a population of telomere deficient cells, the loss of p53 facilitates. the development of cancer? [16] ? ? ? ? ? www.questionpaperdownload.com ...
Page 2 of 8. Code No: R05420306 R05 Set No. 2. Figure 6. 7. (a) Explain the application of industrial Robots in stamping - press operation. (b) What are the ...
iii. the energy stored. 7. Explain about the parameters of the open wire line at high frequencies? [16]. 8. (a) List out the applications of transmission lines.
Explain universal soil loss equation (USLE) and estimation of various factors in. USLE. [16]. 5. Explain how remote sensing and GIS is useful for preparation of ...
(a) Explain synchronus an asynchronus time division multiplexing of PCM sig- nals? (b) âPulse modulation systems are not digital, where as, pulse-code ...
Use partial fraction method to express X(z) as a sum of terms. iii. Determine x(n) [4+12]. 2. (a) Find the Fourier series of the wave shown in figure 1a. Figure 1a.
constructors for the hash table class. (b) Write a C++ program to implement a search operation in a hash table. [6+10]. 7. Write and explain a non recursive ...
State and prove the perceptron convergence theorem. [16]. 4. State and explain the generalized delta learning rule applied in back propagation. algorithm. [16].
1.a) Discuss various customer myths and realities in software development. b) What do you mean by software affliction? [8+8]. 2.a) Explain how would you select ...
illustrate overloaded constructor and copy constructor? [5+4+7]. 3.a) Difference between Static Binding and Dynamic Binding with example? b) Explain at least ...
Explain different phases of action potential of cardiac muscle fibre of heart? [16]. 4. Explain pulmonary ventilation in detail and sketch the neat diagram of lungs ...
(c) As application developer under what circumstances you use TCP and under. what circumstances you use UDP? [6+5+5]. 7. (a) Discuss the error control ...
plates is 2cm and the accelerating voltage is 1000volts. [8+8] ? ? ? ? ? 1. www.QuestionPaperDownload.com www.QuestionPaperDownload.com. Page 1 of 4 ...
Construct a FA for the following Right Linear Grammar (R.L.G) and write the. conversion procedure? S A â 0. A A â10 / â. [16]. 5.a) Describe the language in ...
where X(k) is the 10-point DFT of x(n). (c) Find the 10-point sequence y(n) that has a DFT Y(K)=X(K)W(K) where. X(K)is the 10-point DFT of the sequence.
(a) Explain how a server generates dynamic content. (b) Give a note on request time errors. [8+8]. 7. Java server pages simplify the delivery of dynamic web ...
What are the models available in supply chain management? Explain any one of. the model with a suitable example. [16]. 7. Define data mining and describe its ...
