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Inf460:Network Design And Administration Question Paper

Inf460:Network Design And Administration

Course:Bachelor Of Science In Information Science

Institution: Moi University question papers

Exam Year:2016

MOI UNIVERSITY
OFFICE OF THE CHIEF ACADEMIC OFFICER
UNIVERSITY EXAMINATIONS
2015/2016 ACADEMIC YEAR
FOURTH YEAR FIRST SEMESTER EXAMINATION
FOR THE DEGREE OF
BACHELOR OF SCIENCE
IN
INFORMATION SCIENCES
COURSE CODE: INF 460
COURSE TITLE: NETWORK DESIGN AND ADMINISTRATION
DATE: 5TH AUGUST, 2016 TIME: 2.00 P.M. – 4.15 P.M.

INSTRUCTION TO CANDIDATES
• SEE INSIDE

THIS PAPER CONSISTS OF (2) PRINTED PAGES PLEASE TURN OVER
MOI UNIVERSITY
SCHOOL OF INFORMATION SCIENCES
DEPARTMENT OF INFORMATION TECHNOLOGY
FIRST SEMESTER 2015/2016 ACADEMIC YEAR EXAMINATIONS
COURSE CODE: INF 460
COURSE TITLE: NETWORK DESIGN AND ADMINISTRATION TIME: 2 Hrs 15 Mins
==============================================================================
INSTRUCTIONS TO CANDIDATES:
• Answer question ONE and any other TWO questions

QUESTION ONE (30 MARKS)
a) List and explain two advantages and two disadvantages of WLAN (4 marks)
b) Moi University is in the process of upgrading its Local Area Network. State and explain three principles of network design to be considered when undertaking the exercise. (6 marks)
c) Define the following terms: (4 marks)
i. Latency
ii. Bandwidth
iii. Protocol
iv. Packet
d) Most organizations today are designing and developing their Local Area Networks (LAN). State and explain FOUR factors needed to be considered before setting up a LAN. (4 marks)
e) State any four services provided by communication network. (2 marks)
f)
i. Distinguish between routers and switches (2 marks)
ii. Explain why routers add more latency than switches (2 marks)
g) Briefly differentiate between IPv4 and IPv6 (6 marks)
QUESTION TWO (20 MARKS)
a) Assuming you have been employed as Network Administrator in Moi University, state and explain five servers you would advice to be set up within the University’s LAN (10 marks)
b) Discuss three factors that should be taken into account when choosing a data transmission medium (4 marks)
c) Moi University is intending to improve the performance of its LAN. Discuss five specific areas to be addressed in order to improve performance of its LAN (6 marks)
QUESTION THREE (20 MARKS)
a) Apart from the IP address, name and explain two other parameters you set in a computer in order to connect it to the internet (4 marks)
b) State and explain 3 ways a Network Administrator in a University can enhance security in the LAN (6 marks)
c) DHCP is protocol that dynamically assigns IP addresses to client computers in a network. Using a diagram, show how DHCP works indicating messages being exchanged between the server and client (10 marks)
QUESTION FOUR (20 MARKS)
You are a Network Engineer for an organization with two hundred network users. The organization has five offices located in three buildings. Answer the following questions:
a) Which class of Private IPs will you implement? (2 marks)
b) State and explain four servers you would implement in the network (8 marks)
c) Explain with reasons, the kind of cabling to implement (6 marks)
d) Apart from servers, explain other devices necessary for setup of the WAN (4 marks)

QUESTION FIVE (20 MARKS)
As a network administrator, discuss configurations to be done on the following servers to make them work in an organization such as Moi University (20 marks)
a) DHCP
b) DNS
c) Mail client
d) Squid – Proxy server
e) WAP controller

Inf460:Network Design And Administration Question Paper

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