1. Assignment-1
Subject : DC & CN Class : III sem
2 marks questions
1. Define communication networks?
2. What is ARPANET?
3. Define Protocol?
4. Define Domain Naming System(DNS)?
5. Define LAN ? Which are its topologies?
6. Define MAC?
7. Define the key factors of communication networks.
8. Define Router?
9. Define datagram?
10.Define Layering? List the benifits of layering?
11.Define PDU, SAP and SDU?
12.Define segmentation and reassembling?
13.Define HTTP,SMTP,DNS and RTP?
14.What is TCP and UDP?
15.Write the full form of ICMP,IGMP,RARP and RARP or ARP.
5 marks questions
1. List the services of communication networks?
2. Write few points on telegraph network and message switching?
3. Explain telephone network and circuit switching?
4. Explain internet and packet switching?
5. List the elements of computer network architecture?
6. Explain layered services with diagram?
7. Explain OSI model with diagram?
8. Explain TCP/IP model with diagram?
2. Unit-2 assignment questions
2 marks questions
1. List types of information?
2. Define compression and its types?
3. Define digital communication?
4. Define periodic and non periodic signals?
5. Define Amplitude, frequency, phase and wavelength?
6. Define Bandwidth and Bit rate?
7. List and define the transmission impairments.
8. Write any five differences of digital and Analog transmission?
9. Define SNR and Shannon capacity?
10.Define Line coding?
11.Define Modem?
12.Define digital signal?
5 marks questions
1. List the properties of digital Transmission?
2. List the 2 characterstics of communication channels?
3. Explain the types of Line coding?
4. List the types of modulation?
3. DMS Mandal’s
COLLEGE OF COMPUTER APPLICATIONS, BELGAUM.
First Internal Test August 2019
Sub : Data communication and computer networks Semester: BCA V
Marks: 20 Time : 1 Hour
Answer any 5. (2 marks each)
1. Define communication networks?
2. Define Protocol?
3. Define Router?
4. Define Layering? List the benifits of layering?
5. Define HTTP,SMTP,DNS and RTP?
6. Define compression and its types?
7. Define Amplitude, frequency, phase and wavelength?
8. Write any five differences of digital and Analog transmission?
9. Define SNR and Shannon capacity?
Answer any 2.(5 marks)
1. Explain telephone network and circuit switching?
2. Explain OSI model with diagram?
3. Explain the types of Line coding?
4. List the types of modulation?
4. DMS Mandal’s
COLLEGE OF COMPUTER APPLICATIONS, BELGAUM.
First Internal Test August 2019
Sub : Data communication and computer networks Semester: BCA V
Marks: 20 Time : 1 Hour
Answer any 5. (2 marks each)
10. Define communication networks?
11. Define Protocol?
12. Define Router?
13. Define Layering? List the benifits of layering?
14. Define HTTP,SMTP,DNS and RTP?
15. Define compression and its types?
16. Define Amplitude, frequency, phase and wavelength?
17. Write any five differences of digital and Analog transmission?
18. Define SNR and Shannon capacity?
Answer any 2.(5 marks)
1. Explain telephone network and circuit switching?
2. Explain OSI model with diagram?
3. Explain the types of Line coding?
4. List the types of modulation?
