Cambridge IGCSE · Information and Communication Technology (0417)

Security of data: Practice Questions

5 multiple-choice questions marked as you go, and 4 written questions with worked solutions. All on Security of data.

9 questions22 marksFree, no account
Question 1
1 mark

What is the primary function of encryption when transmitting data across a network?

Question 2
1 mark

Which protocol provides encrypted communication and secure identity verification between a web client and a web server over the internet?

Question 3
1 mark

Which security threat uses voice phone calls or voice messages to manipulate individuals into disclosing confidential financial or personal information?

Question 4
1 mark

Which security threat involves installing malicious code on a computer or server that redirects a user to a fake website, even if they type the correct URL into their browser?

Question 5
1 mark

Which type of malware secretly monitors and logs a user's keystrokes to steal passwords and credit card numbers without the user's consent?

Question 6
3 marks

Explain how a software firewall protects data stored on a local computer connected to the internet.

Write your answer out first, then check it against the worked solution.

Question 7
6 marks

Compare the methods used in phishing and pharming to obtain a user's private credentials, highlighting how they differ in their approach to redirecting the victim.

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Question 8
5 marks

Explain the process of Two-Factor Authentication (2FA) and how it provides better protection for data than using a single password.

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Question 9
3 marks

Data security is a major concern for individuals using online banking.
(a) Define the term pharming and explain how it differs from phishing.
(b) Identify one method a user can use to recognize if they have been redirected to a fraudulent website.

Write your answer out first, then check it against the worked solution.

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