Cybersecurity Concepts
Comprehensive Finals Test (Qns & Ans)
2025
1. Which of the following is a common technique used in
phishing attacks?
- A. Encrypting data
- B. Spoofing email addresses
- C. Installing firewalls
- D. Creating honeypots
ANS: B. Spoofing email addresses
Rationale: Phishing attacks often involve spoofing email
addresses to trick recipients into believing the message is from a
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,legitimate source, thereby prompting them to reveal sensitive
information.
2. What is the primary purpose of a firewall in network security?
- A. To encrypt data
- B. To block unauthorized access
- C. To create backup data
- D. To monitor network traffic
ANS: B. To block unauthorized access
Rationale: A firewall is a network security device that
monitors and controls incoming and outgoing network traffic
based on predetermined security rules, primarily to block
unauthorized access.
Fill-in-the-Blank Questions
3. The process of converting readable data into an unreadable
format to protect it from unauthorized access is known as
__________.
ANS: encryption
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, Rationale: Encryption is the process of converting readable
data into an unreadable format using algorithms and keys,
ensuring data security and confidentiality.
4. A __________ attack involves overwhelming a network or
system with a flood of internet traffic to disrupt its normal
operations.
ANS: denial-of-service (DoS)
Rationale: A denial-of-service (DoS) attack aims to disrupt
the normal operations of a network or system by overwhelming it
with a flood of internet traffic.
True/False Questions
5. True or False: Multi-factor authentication (MFA) enhances
security by requiring users to provide two or more verification
factors to gain access to a system.
ANS: True
Rationale: Multi-factor authentication (MFA) enhances
security by requiring users to provide multiple verification
factors, such as a password and a fingerprint, to gain access to a
system.
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