UNIVERSITY EXAMINATIONS: 2014/2015
ORDINARY EXAMINATION FOR THE BACHELOR OF SCIENCE
IN INFORMATION TECHNOLOGY
BIT 1102 INTERNET TECHNOLOGY
DATE: DECEMBER, 2014 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and any other TWO
QUESTION ONE (30 MARKS)
a) What do the following terms stand for and what is the purpose of each?
i) ftp
ii) http
iii) https
iv) smtp
v) ntp
vi) LDAP (12 Marks)
b) Define and briefly explain the role of:
i) W3C
ii) IETF
iii) RFC
iv) IAB (8 Marks)
c) Define the term website accessibility and give THREE examples of methods to
improve access. (5 Marks)
d) Explain what is meant by:
i) A packet switched network; and
ii) A circuit switched network.
Which of these applies to the Internet? (5 Marks)
QUESTION TWO
a) i) Explain the role of a router in the management of Internet traffic. (5 Marks)
ii) Explain the differences between dynamic and static routing. (5 Marks)
b) What are the main technical characteristics of broadband Internet access using ADSL?
(10
Marks)
QUESTION THREE
a) What are Internet Protocols? Write the names of five commonly used protocols.
(7 Marks)
b) Explain with diagram the differences between Star, Ring and Bus topologies.
(6 Marks)
c) What are secure websites and SSL certificates? (2 Marks)
d) c) What is a URL? Explain the structure of a URL? (5 Marks)
QUESTION FOUR
a) Write an HTML code for creating the following output. (8 Marks)
SHORT TERM COURSES
1. Operating System
* UNIX
* SOLARIS
* Windows
2. Office
* Word
* Excel
* Access
* PowerPoint
b) Write short notes on any three of the following:
i) IP Addressing (7 Marks)
ii) Domain Name System (5 Marks)
QUESTION FIVE
a) Briefly outline the role of a
i) proxy server. (3 Marks)
ii) DHCP server (3 Marks)
iii) Client server (3 Marks)
b) What is the future internet (4 Marks)
c) What factors triggered the need for the IPv6 (4 Marks)
d) What is the significance of the ARPANET with regard to the internet (3 Marks)
