JNTU
JNTU B.Tech III COMPUTER NETWORKS Previous Question Paper (November/December - 2018 - R13)
Note: This question paper contains two parts A and B. Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks and may have a, b, c as sub questions.
PART A
What is a guided transmission medium?
Answer
A guided transmission medium, also known as a bounded medium, is a physical pathway that guides the electromagnetic waves along a specific path. These media use solid materials to transmit signals, offering a more controlled and directed transmission compared to unguided media.
List out the seven layers of OSI model.
Answer
The seven layers of the OSI (Open Systems Interconnection) model, from top to bottom, are:
- Application Layer
- Presentation Layer
- Session Layer
- Transport Layer
- Network Layer
- Data Link Layer
- Physical Layer
Give various types of multiple-access protocol.
Answer
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What is necessity of Mac sub-layer?
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Write the principle of optimality.
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What is admission Control and congestion control?
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Define fragmentation.
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What do you mean by tunneling?
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What is the necessity of HTTP and FTP?
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Write a short note on the features of TCP.
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PART B
List out the disadvantages of fiber optics over copper cable.
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Explain Error detecting using CRC codes with an example.
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Write and explain Adaptive Tree walk protocol.
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Explain about spanning tree bridges.
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With a suitable example explain DIJKSTRA’S shortest path Algorithm.
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Explain count to infinity problem with an example.
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Compare IPV4 and IPV6 Headers and explain how IPV6 Address is represented.
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Elaborate on Crash Recovery techniques in Transport Layer.
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What are the services provided by the Internet transport protocol? Explain.
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Write short notes on
HTTP
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FTP
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SSH
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