Code No. 410559 IV B.Tech. I Semester Supplementary Examination November, 2003 COMPUTER NETWORKS (Common to Computer Science and Information Technology, Computer Science and Engineering) Time: 3 hours Max. Marks:70 Answer any Five questions All question carry equal marks --What is the purpose of source and destination address in the IPX packet. Compare the various networking services.
2.a)
What is the difference between single mode and multi mode fibers in fiber optic networks. Write about ISDN interfaces.
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1.a) b)
Explain the operation of the protocol Go back n ? Explain the operation of Token ring method.
4.a)
What are bridges? What key factors are considered while designing the bridges. Explain the operation of Transparent bridge.
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3.a) b)
b)
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What are some of the possible services that a link-layer protocol can offer to network layer? Which of these link-layer services have corresponding services in IP? In TCP?
6.
Briefly describe how the Internet’s connection oriented service provides reliable transport?
7.a) b)
What do you mean by silly window syndrome? Explain. How congestion is taken care in case of TCP? Explain.
8.a) b)
Discuss the techniques of Cryptographic transformation. Define P and S-Boxes and indicate how they are used in Data Encryption Standards (DES).
Code No. 410559 IV B.Tech. I Semester Supplementary Examination ...
b) Explain the operation of Token ring method. 4.a) What are bridges? What key factors are considered while designing the · bridges. b) Explain the operation of ...
b) You are asked to conduct an energy audit of a foundry industry located in · Hyderabad. Explain how you would conduct the energy audit, in a chronological.
b) Compare between computer system and PLC. 2. a) Define ... 7. a) Explain the concept of a computer network and discuss the requirement of · networks used ...
b) Add power amplifying pilot and negative feed back to the above. Explain the ... b) Stability of exothermic chemical reactor. c) Nuclear power plant operations.
3.a) Discuss the aspects of Electro-chemical homing process. b) · Explain the fundamentals of chemical machining process with advantages and · applications.
(Computer Science and Engineering,-OR/OOR) · Time: 3 hours ... Define a software and explain the software characteristics. 2. Compare the ... modeling the data processing involved when a customer withdraws cash from an · ATM machine.
b) Give the merits and demerits of a class-A commutation of SCR relative to other · methods? 3.a) Draw the circuit and explain the working of speed control of a ...
2.a) Derive an expression for the hourly loss in economy due to error in the · representation of input data. ... from the power plant bus bars. - x - · AjntuWorld.in.
b) Explain with the help of a neat sketch, how an image is generated on a computer · terminal. 2. What is meant by a concatenation matrix? ... surface model on a CAD/CAM system. b) Why the sweep representation is useful in creating solid models of 2
involved in selective repeat sliding window protocol. 4. Explain how 802.3 protocol works? ... 6.a) Explain the services provided by the Transport Layer.
grounding (ii) Resistance grounding (iii) Reactance grounding and (iv) · Transformer grounding. b) · How is a Bewley Lattice diagram useful in determining the ...
b) Explain the seperability and translation properties of Fourier transform ... 3 a) Define inverse discrete Fourier transform and mention some properties of ...
b) What is thermal conductivity? Explain its types. 3.a) What is meant by H25 analyser system? Explain its principle and use. b) Write a note on sampling.
a) Explain the application of expert systems in process management. b) Explain .... b) What are various measures adopted in Fault Detections. 7.a) Explain ...
b) A spring of a valve mechanism has its wire diameter 2mm, mean coil diameter · 20mm. The number of coils is 7. Assuming the material to be steel determine the · natural frequency of the spring alone. If the maximum speed of the engine is 3000 · rpm
Explain determinants and use of determinancy diagram. 2.a) ... Draw the E/R model representation of many-to-many relationship and · superfluous entity tables.
5.a) Describe roll pressure distribution along arc of contact and derive an ... b) Explain the effect of friction and strip tensions on rolling load and process.
b) Give the steps of a registry-based algorithm for finding and using idle · workstations. 4.a) With reference to distributed file system implementation explain i) ...
potential and muscle contraction. 2.a) With a neat ... b) Explain the origin of ECG from the heart muscles. ... 4.a) What are the different types of muscles? Explain ...
Write short notes on any three of the following: · a) · SNMP · b) · World wide web · c) · Transmission media · d) · ARPANET. -*-*-*-. OR. AjntuWorld.in.
6.a) Explain the operation of different types of duplexers. b) Write about Feeds for paraboloids. 7.a) Explain different types of detectors in a Radar receiver.
4.a) Explain about the interrupt sequence for 8086 microprocessor and give the layout · of interrupt pointers. b) Write an 8086 assembly language program to ...
Explain the principle of operation of thermal conductivity analyzer used for · estimation of components such as CO, CO2 etc. 4. a) Often it is tempting to increase ...
