SITA1401-Data Communication and Computer Networks
ASSIGNMENT – I
Announcement Date: 28 / 12 / 2021
Due Date: 05 / 01 / 2022
Total Marks: 15
Answer ALL the Questions
Multiple Choice Questions (5 x 1 = 5 Marks)
1.
1. Which of the following is an application layer service?
a) Remote login
b) File transfer and access
c) Mail Service
d) All the above
2. Which of the following layer is responsible for routing?
a) Physical layer
b) Data link layer
c) Network layer
d) Transport Layer
3. Which of the below is consider as signal transmission medium is data
communications?
1. Twisted pair cables
2. Microwaves and Satellite Signals
3. Repeaters
4. Analog Transmissions
5. Fiber optics
a.
(1) and (5)
b. (1) and (2)
c. (1) (2) and (5)
d. (1) (2) (3) and (5)
4. Assume we need to download text document at the rate of 100 pages per
minute. What is the required bit rate of the channel?
Note: A page is an average of 24 lines with 80 characters in each line.One
character require 8 bits
a) 25.6 kbps
b) 100.8 mbps
c) 13.56 kbps
d) 24 mbps
5. The bit rate for high-definition TV (HDTV) signal is_________Gbps
2.
Short Questions (5 x 1 = 5 Marks)
6. Differentiate the MAC address with the IP address
7. Write down the requirements to build a computer network
8. Write the parameters used to measure network performance.
9. How is Network types classified? Explain different types of networks.
10. Draw various types of network topology
3.
Long Question (1 x 5 = 5 Marks)
11. Analyze the layers of OSI model and describe the responsibilities of each layer.