CIT0103  CBIT0103  INTERNET AND THE WEB.

UNIVERSITY EXAMINATIONS: 2017/2018
EXAMINATION FOR THE CERTIFICATE IN INFORMATION TECHNOLOGY /
CERTIFICATE IN BUSINESS INFORMATION TECHNOLOGY
CIT0103 & CBIT0103 INTERNET AND THE WEB
DATE: AUGUST, 2018 TIME: 2 HOURS
INSTRUCTIONS: Answer Question ONE and any other TWO questions.

QUESTION ONE (COMPULSORY: 30 MARKS)
a). What is your understanding of the following terminology? [6 Marks]
i). Internet
ii). CAN
iii).VPN
iv).HTTP
v). POP3
vi). WWW
b). Differentiate between Telnet and Web Conferencing and highlight one way in which you
may take advantage of each of these internet services at the workplace. [6 Marks]
c). Explain three advantages of computer networking over stand-alone computers. [6 Marks]
d). Define “eLearning” and explain two reasons why eLearning is gaining more popularity in
higher education institutions in Kenya. [6 Marks]
e). Define protocols in the context of computer networks. [2 Marks]
f). Clearly differentiate between IMAP4 and SMTP protocols. [4 Marks]
QUESTION TWO (20 MARKS)
a). What do you understand by ISP in the context of the internet? [2 Marks]
b). Explain four key requirements for connecting to the internet. [8 Marks]
c). Explain your understanding of network topology and using diagrams, describe four types of
network topologies. [10 Marks]
QUESTION THREE (20 MARKS)
a). Describe the following concepts and give at least one relevant example for each. [10 Marks]
i). Uniform Resource Locator
ii). Web browser
iii).Blog
iv).Web-server
v). Domain name
b). E-mails have become the most common tool for communication in today’s organization.
i). Describe your understanding of E-mail. [2 Marks]
ii). Describe key components of an email address. [4 Marks]
iii).What are some of the advantages that emails have over the traditional methods of
communication? [4 Marks]
QUESTION FOUR (20 MARKS)
a). What is your understanding of the OSI Model in computer networks? [2 Marks]
b). Describe using a diagram the 7 layers of the OSI Model. [8 marks]
c). HTML is one of the fundamental tools used in web development.
i). Explain your understanding of HTML? [2 Marks]
ii). Differentiate between text based editors and WYSIWYG editors and give examples
for each. [2 Marks]
iii).Differentiate between the <b> tag and the <i> tag in HTML. [2 Marks]
iv).Write a simple HTML code to create a paragraph with the following text:
Student Number: KCA/05/02234 [4 Marks]
QUESTION FIVE (20 MARKS)
a). Websites have become very important in modern business environment.
i). Explain your understanding of a website. [2 Marks]
ii). Discuss four key ways in which a website is of advantage to a business. [8 Marks]
b). Briefly discuss Confidentiality, Integrity and Availability aspects of internet security and
measures that an organization can have in place to achieve each of them. [7 Marks]
c). Explain the role of a router in the management of Internet traffic. [3 Marks]

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