Cyber Security Cyber Security 2 — Questions and Answers
Question 1: An attacker intercepts and alters communication between two parties without their knowledge. What type of attack is this?
- Man-in-the-middle attack (Correct answer)
- Denial-of-service attack
- SQL injection
- Brute-force attack
Correct answer: Man-in-the-middle attack
A man-in-the-middle attack secretly relays and possibly alters messages between two parties who believe they are communicating directly.
Question 2: Which principle ensures that data has not been altered or tampered with during transmission?
- Integrity (Correct answer)
- Availability
- Confidentiality
- Non-repudiation
Correct answer: Integrity
Integrity guarantees that information remains accurate and unmodified during storage or transit.
Question 3: A user receives an email appearing to be from their bank asking them to verify login details via a link. This is an example of:
- Phishing (Correct answer)
- Spoofing DNS
- Ransomware
- Keylogging
Correct answer: Phishing
Phishing uses deceptive messages impersonating trusted entities to trick users into revealing sensitive information.
Question 4: What is the primary purpose of a firewall?
- To monitor and control incoming and outgoing network traffic (Correct answer)
- To encrypt stored files
- To scan for malware signatures
- To back up data automatically
Correct answer: To monitor and control incoming and outgoing network traffic
A firewall enforces rules that filter network traffic between trusted and untrusted networks.
Question 5: Which of the following is the strongest form of authentication?
- Multi-factor authentication (Correct answer)
- A long password
- A security question
- A PIN code
Correct answer: Multi-factor authentication
Multi-factor authentication combines two or more independent credential types, making compromise far harder.
Question 6: What does a VPN primarily provide when connecting over a public network?
- An encrypted tunnel for secure communication (Correct answer)
- Faster internet speeds
- Free access to blocked content only
- Automatic malware removal
Correct answer: An encrypted tunnel for secure communication
A VPN creates an encrypted tunnel that protects data privacy over untrusted networks.
Question 7: Which type of malware disguises itself as legitimate software to trick users into installing it?
- Trojan horse (Correct answer)
- Worm
- Rootkit
- Adware
Correct answer: Trojan horse
A Trojan horse appears to be a useful program but carries malicious code when executed.
An attacker intercepts and alters communication between two parties without their knowledge.
What type of attack is this?