CIT103  CBIT103  INTERNET AND THE WEB KCA Certificate Past Paper

UNIVERSITY EXAMINATIONS: 2018/2019
EXAMINATION FOR THE CERTICATE IN INFORMATION
TECHNOLOGY/ CERTIFICATE IN BUSINESS INFORMATION
TECHNOLOGY
CIT103 CBIT103 INTERNET AND THE WEB
FULLTIME/PARTIME
DATE: NOVEMBER, 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). Network
ii). VPN
iii).Bandwidth
iv).Modem
v). IMAP4
vi).E-Commerce
b). Differentiate between intranet and extranet, and highlight two advantages for each of these
types of networks. [6 Marks]
c). Discuss three key security threats that are common in a typical computer network
environment. [6 Marks]
d). Explain your understanding of network topology and using well labeled diagrams, illustrate
any two network topologies of your choice. [6 Marks]
e). Define protocols as referred to in computer networks. [2 Marks]
f). Clearly differentiate between SMTP and POP3 protocols. [4 Marks]
QUESTION TWO (20 MARKS)
a). Zuku is an example of ISPs in Kenya. Define ISP and explain TWO key factors you would
consider when choosing an ISP provider. [6 Marks]
b). Explain four key requirements for connecting to the internet. [8 Marks]
c). Discuss THREE different options for connecting to the internet. [6 Marks]
QUESTION THREE (20 MARKS)
a). Describe the following concepts and give at least one relevant example for each. [10 Marks]
i). URL
ii). Browser
iii).Blog
iv).Web-server
v). Domain name
b). Explain peer-to-peer networks as with regards to computer networks. [2 Marks]
c). Briefly discuss the client-server structure as used in computer networks. [4 Marks]
d). Differentiate between thick-clients and thin-clients in computer networks. [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). Web development is a key skill sought by many computer organizations when recruiting
young computer professionals. HTML is one of the fundamental tools in web development.
vi).Explain your understanding of HTML? [2 Marks]
vii). Differentiate between text based editors and WYSIWYG editors and give
examples for each. [2 Marks]
viii). Differentiate between the <title> tag and the <h1> tag in HTML. [2 Marks]
ix).Write a simple HTML code to create a paragraph with the following text:
Name: Joshua Omanyo [4 Marks]
QUESTION FIVE (20 MARKS)
a). In today’s business world, every reputable organization has moved to develop websites for
various reasons.
i). Explain your understanding of a website. [2 Marks]
ii). Discuss four key ways in which a website is of advantage to an organization that has one.
[8 Marks]
b). Giving typical examples differentiate between connection-oriented services and
connectionless services with regards to network protocols. [4 Marks]
c). Explain the role of a router in computer networks. [2 Marks]
d). Describe your understanding of an email and describe key components of an email address.
[4 Marks]

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