Computer Networks Question Paper of 3rd Semester AE(D) Download Previous Years Question Paper 1

S.B. Roll. No. __________

COMPUTER NETWORKS

4th Exam/Comp/2462/Dec’11

Time Allowed: 3 Hours

Note: Attempt all questions

Section –A

Q1: Do as Directed Marks :

1. Computer Network facilitate in communication efficiently and easily. (T/F)

2. A __________is a computer network that covers a large geographic area such as a city, country.

3. WLAN stands for __________

4. The network design is the integral part of the physical layer. (T/F)

5. UTP stands for __________

6. TCP/IP is based on a seven-layer reference model. (T/F)

7. The basic functions of ________layer (OSI Model) are routing and congestion control.

8. NIC stands for __________

9. Hub resides in Data Link Layer. (T/F)

10. Ping 127.0.0.1 is known as __________ test.

11. IP address 192.168.10.1 belongs to class __________

12. MAC address is 32 bit long. (T/F)

13. Wi-Fi stands for __________

14. Infrastructure Mode in WLAN need Access Point for communication. (T/F)

15. ATM stands for __________

Section-B

Note: Attempt any six questions Marks :

Q2     a. Write difference between Hub and Switch?

 b. What are Functions of Network Interface Card?

          c. Explain difference between Peer-to-Peer and Client-Server Network?

 d. What do you understand by Physical and Logical Addressing?

 e. What are different types of classes in IPv4 Addressing?

 f. Write various layers in TCP/IP model and Explain function of Application Layer?

 g. What are functions of Router?

 h. What do you understand by Firewall?

 i. What are the types of LAN technologies?

 j. What are advantages of switch over hub?

Section –C

Note: Attempt any two questions Marks :

Q3     a. Explain OSI Reference Model?

 b. What are source of errors in data communication. What are general principle of error detection and correction?

 c. What are advantages of Wireless LAN? What are various Wireless Standards?

 d. What are different types of Network Topologies used in Local Area Network?

 e. What are various types of WAN Connections?