Sunday, 15 March 2015

Data Communication & Networking

Data Communication & Networking

1.        What is data communication and identify the 5 components of data communication. (6 marks)

2.        What are the three main functions of data link layer? (3 marks)

3.        What is the difference between Simplex, Half Duplex and Full Duplex Transmission? (6 marks)

4.        Define what is Internetworking. (2 marks)

5.        Name two major categories of transmission media. (2 marks)

6.        List 5 various types of network topologies. (5 marks)

7.        Contrast an analog signal with a digital signal. (4 marks)

8.        What are the four types of line encoding which fall under bipolar types? (4 marks)

9.        Define and explain 3 various types of categories of network types. (6 marks)

10.    Difference between packet switching and circuit switching. (6 marks)

11.    List 5 types of protocols. (5 marks)

12.    What is the difference between connection-oriented and connectionless? (5 marks)

13.    What are the 3 types of frames in HDLC and their functions? (6 marks)

14.    What are the 3 types of line encoding? (3 marks)


15.    List down 7 layers in Open Systems Interconnection (OSI) Model. (7 marks)

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