V SEMESTER B.C.A. EXAMINATION JUNE 2008
NEW SCHEME
5 BCA 3: COMPUTER SCIENCE
COMPUTER NETWORKS - 1
Time : 3Hours Max.Marsk: 80
Instruction : Answer all sections
SECTIONS -A
Answer any eight question .Each question carries 3 marks. 8 X 3 = 24
1. What are the uses of Computer Networks ?
2.What are the advantages of digital transmissions over analog transmission ?
3.Explain the Error control and Flow Control functions of Data link layer ?
4.Explain Briefly IEEE 802.4 token bus.,
5.What are choke packets ? What are their advantages ?
6.Whar are the applications of Internet ?
7.what is a MODEM ? What are its functions ?
8.Mention the advantages of satellite communication .
9.Explain Hamming Distance.
10.What are Routers. ? what are their functions ?
SECTION -B
Answer any four questions. Each question carries fourteen marks 4 X 14 = 56
11.a) Compare OSI reference model with TCP/IP model ?use diagram wherever required .
b) Explain LAN, WAN and MAN in detail. 7 + 7
12.a) Explain the concept of one bit sliding windwo protocol.
b)Explain Manchester and differential Manchester encoding schemes with the help of examples
7 + 7
13.a) Explain and Differentiate point to point and broadcast networks.
b) Explain the classification of routing with any one routing algorithm. 8 + 6
14.a) Explain and differentiate circuit switching and packet switching
b) Explain the classification of routing with any one routing algorithm. 8 + 6
15.a)Define persistent an non-persistent CSMA protocols.
b) Write a short note on Ethernet. 8 + 6
16.Write short notes on the following .
a) Computer communication through fibre optics.
b) FDM
c) E - mail 4 + 6 + 4
NEW SCHEME
5 BCA 3: COMPUTER SCIENCE
COMPUTER NETWORKS - 1
Time : 3Hours Max.Marsk: 80
Instruction : Answer all sections
SECTIONS -A
Answer any eight question .Each question carries 3 marks. 8 X 3 = 24
1. What are the uses of Computer Networks ?
2.What are the advantages of digital transmissions over analog transmission ?
3.Explain the Error control and Flow Control functions of Data link layer ?
4.Explain Briefly IEEE 802.4 token bus.,
5.What are choke packets ? What are their advantages ?
6.Whar are the applications of Internet ?
7.what is a MODEM ? What are its functions ?
8.Mention the advantages of satellite communication .
9.Explain Hamming Distance.
10.What are Routers. ? what are their functions ?
SECTION -B
Answer any four questions. Each question carries fourteen marks 4 X 14 = 56
11.a) Compare OSI reference model with TCP/IP model ?use diagram wherever required .
b) Explain LAN, WAN and MAN in detail. 7 + 7
12.a) Explain the concept of one bit sliding windwo protocol.
b)Explain Manchester and differential Manchester encoding schemes with the help of examples
7 + 7
13.a) Explain and Differentiate point to point and broadcast networks.
b) Explain the classification of routing with any one routing algorithm. 8 + 6
14.a) Explain and differentiate circuit switching and packet switching
b) Explain the classification of routing with any one routing algorithm. 8 + 6
15.a)Define persistent an non-persistent CSMA protocols.
b) Write a short note on Ethernet. 8 + 6
16.Write short notes on the following .
a) Computer communication through fibre optics.
b) FDM
c) E - mail 4 + 6 + 4
No comments:
Post a Comment