Roll No. Total No. of Pages : 02
Total No. of Questions: 18
B.Tech. (ECE) (2012 to 2017) (Sem.-7)
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COMPUTER NETWORKS
Subject Code : BTCS-403
M.Code : 71909
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
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- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
SECTION-A
Answer briefly :
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- What is OSI-ISO?
- List different Ethernet versions.
- What is the difference between congestion control and flow control?
- What is the use of PPP protocol?
- What do you understand by CDMA technology?
- What do you understand multicasting routing?
- What is ALOHA?
- Differentiate between switch and hub.
- What is subnetting?
- Explain briefly the concept of cumulative acknowledgement in Go back by N protocol.
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SECTION-B
- Explain briefly different congestion management techniques.
- Compare OSI Reference Model with the TCP/IP Model.
- Discuss about the configuration and control fields of HDLC.
- Differentiate LAN, MAN and WAN network topologies.
- Describe a suitable congestion control algorithm with an example used for multicasting routing.
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SECTION-C
- Compare the working of Go back by N and sliding window protocols in transport layer with the help of suitable examples.
- Compare the individual fields of IPv4 header with IPv6 header. Draw the format of an IPv6 and explain.
- What is routing? At which layer it takes place? Explain hierarchical routing algorithm.
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NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
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