Get premium membership and access revision papers, questions with answers as well as video lessons.

Ics2306:Computer Networks Question Paper

Ics2306:Computer Networks

Course:Computer Science

Institution: Meru University Of Science And Technology question papers

Exam Year:2011

1
University Examinations 2012/2013
THIRD YEAR, SECOND SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN COMPUTER SCIENCE
ICS 2306: COMPUTER NETWORKS
DATE: AUGUST 2012 TIME: 2 HOURS
INSTRUCTIONS: Answer question one and any other two questions
QUESTION ONE – 30 MARKS
a. Define a computer network (1 Mark) b. State four advantages of the Fiber Optic Cables over the satellite and other transmission media. (4 Marks) c. i. State the seven layers of the OSI Model. (4 Marks) ii. List at least one network equipment corresponding to each layer of the OSI Model mentioned in (ci) above. (3 Marks) d. Differentiate between the following terms: i. Peer – to peer and client server (2 Marks) ii. CSMA/CA and CSMA/CD (2 Marks) i. MODEM and Multiplexer (2 Marks) e. Describe any two components of a computer network. (4 Marks) f. Describe two transmission impairments. (4 Marks) g. Describe two factors to be considered when selecting a network topology. (4 Marks)
QUESTION TWO – 20 MARKS
a. Networking is the way to go. MUCST administration is hesitant in investing on computer networks and they here by solicit for your advice and justification as to why the university should invest in the hefty networking and internet facilities. Advice. (8 Marks) b. Differentiate between: i. Hub and Repeater ii. Switch and Router iii. Message Switching and Packet Switching c. Briefly describe any three functions of operating system in a network environment. (6 Marks)
2
QUESTION THREE – 20 MARKS
a. Distinguish between UDP and TCP protocol found in the transport layer of the TCP/IP protocol structure. (3 Marks) b. Outline three important reasons as to why standards are needed in networking. (3 Marks) c. Briefly explain the three criteria used to classify computer networks. (6 Marks) d. Discuss the TCP/IP model. (8 Marks)
QUESTION FOUR – 20 MARKS
a. Using well labelled diagrams, differentiate between the parallel mode transmissions and serial mode of transmission. (5 Marks) b. Time division multiplexing is relevant in the state of the are technology being used in Kenya today. Discuss. (5 Marks) c. Discuss the three networking topologies. (10 Marks)
QUESTION FIVE – 20 MARKS
a. There is a global trend towards adopting digital communication as opposed to analogue systems. Analogue data has therefore, to be converted to digital data in a process known as digitization. Why is it advantageous to digitize data? (6 Marks) b. Differentiate between: (4 Marks) i. Half duplex and full duplex communication ii. Token passing and demand priority c. ABC company intends to network 20 computers using either peer-to-peer or server based network in one of the company’s premises to facilitate sharing of resources. Briefly explain three factors to consider when choosing whether to implement peer to peer or server based network. (6 Marks) d. Why has the use of fiber optic systems become popular in the recent past? (4 Marks)

Ics2306:Computer Networks Question Paper

More Question Papers

Popular Exams