Enrollment No. ...........
MID TERM EXAMINATION
Third Semester (BCA) NOV 2024
Paper Code: BCA 201
Subject: Computer Networks
Time: 2 Hours
Maximum Marks: 60
Instructions: Question No.1 is compulsory. Attempt any three Questions from the rest.
- Q1. Answer any three of the following in brief: (5X3=15)
- (a) Differentiate between Simplex, Half-Duplex and Full-Duplex 5
- (b) Types of Line Configuration and Transmission Modes 5
- (c) Describe the different Transmission Impairment 5
- (d) Differentiate between Circuit and Packet Switching 5
- (e) Compare TCP and UDP protocols 5
- Q2.
- (a) Explain all the components of data communication along with a suitable diagram.5
- (b) Explain the functions of all the layers of the OSI model. Also, represent the OSI model with the help of a suitable diagram.10
- Q3.
- (a) Discuss the various topologies in detail with relevant diagrams.5
- (b) Differentiate between guided and unguided media. Diagrammatically explain all the types of Transmission media.10
- Q4.
- (a) Discuss the concept of the Shannon capacity theorem with example .5
- (b) What is Multiplexing? Explain FDM, WDM and TDM in detail.10
- Q5.
- (a) Given a 10-bit sequence 101101110 and a divisor is 1101. Find CRC remainder generated. Also check the same at the receiver's end.5
- (b) Explain the process of error detection by hamming code. Generate a hamming-coded message for the data frame 11001. How this hamming code will help in error detection?10