BIT 1107 INTERNET TECHNOLOGY KCA Past Paper

UNIVERSITY EXAMINATIONS: 2013/2014
ORDINARY EXAMINATION FOR THE BACHELOR OF SCIENCE
IN INFORMATION TECHNOLOGY
BIT 1107 INTERNET TECHNOLOGY
DATE: APRIL, 2014 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and any other TWO

QUESTION ONE
a) Explain the role of a router in the management of Internet traffic. (3 Marks)
b) Explain the differences between dynamic and static routing. (4 Marks)
c) Using a diagram for each, show the difference between uncast, broadcast and
multicast. Which would most commonly be encountered on the Internet?
(4 Marks)
d) Define the term client-server architecture and give three examples of its use on
the Internet. (4 Marks)
e) Outline the role of protocols as applied to the Internet and name three protocols
frequently used on the Internet. (4 Marks)
f) Explain how the Domain Name System allows computers to contact each other to
exchange email or display web pages. (4 Marks)
g) Identify three common Internet security risks (3 Marks)
h) Identify requirements for connecting to the internet (4 Marks)
QUESTION TWO
a) Identify the languages and standards used to produce a static website. (4 Marks)
b) Identify the languages and standards used to produce a dynamic website.
(4 Marks)
c) Why is there a growing demand for high-speed Internet access through mobile
devices such as smart phones? (4 Marks)
d) Explain what is meant by a packet switched network and a circuit switched
network. Which of these applies to the Internet? (5 Marks)
e) Write down an example of an URL and explain its individual parts. (3 Marks)
QUESTION THREE
a) Explain how a web search engine builds its database and resolves a query.
(4 Marks)
b) Explain THREE problems faced by web search engines. (3 Marks)
c) Briefly explain at least three effective methods of conducting internet research
(5 Marks)
d) Explain why two different search engines may provide different results when
provided with the same search term. (3 Marks)
e) Write HTML mark up to produce the following output: (5 Marks)
Font size=”+1″
Font size=”+2″
Font size=”+3″
QUESTION FOUR
a) Identify and correct errors in the following code (5 Marks)
<html>
<title>My First Webpage<title>
</head>
<body>
<h1 align center” My First Webpage</1>
<p>Welcome to my first web page. I am writing this page using a text editor and
plain old html.</p>
<>By learning html, I’ll be able to create web pages like a pro….<br>
which I am of course.</p>
</body>
b) Differentiate between IPv4 and IPv6 Addresses (4 Marks)
c) Compare and contrast the OSI Model and TCP/IP Model (8 Marks)
d) Describe the term internet backbone (3 Marks)
QUESTION FIVE
a) Describe at least four internet access technologies (8 Marks)
b) Discuss at least five uses of the internet (10 Marks)
c) Briefly state what each of the following languages are normally used for in
relation to Web development? (2 Marks)
i) JavaScript
ii) PHP

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