Information Security MCQs with Answers
Practice important Information Security MCQs with answers and explanations.
Multiple Choice Questions
Q381: How does a buffer overflow affect a system?
- A: It causes more data to be sent than the buffer can handle, potentially leading to system execution errors
- B: It encrypts data to protect it from unauthorized access
- C: It monitors network traffic to detect unauthorized activities
- D: It prevents unauthorized access by limiting buffer sizes
View Answer
A
Q382: What type of attack is a "Ping of Death"?
- A: A Denial-of-Service (DoS) attack using oversized ICMP packets
- B: A Man-in-the-Middle attack using forged IP addresses
- C: A Distributed Denial-of-Service (DDoS) attack using multiple sources
- D: A Buffer Overflow attack that causes system crashes
View Answer
A
Q383: What is the goal of a timing attack?
- A: To explore browser cache and steal cookies
- B: To intercept and modify network packets
- C: To overload a system with data requests
- D: To spoof IP addresses and gain unauthorized access
View Answer
A
Q384: Which attack involves creating an ICMP packet larger than 65,535 bytes?
- A: Ping of Death
- B: Timing Attack
- C: Buffer Overflow
- D: Man-in-the-Middle
View Answer
A
Q385: What is the primary purpose of a buffer overflow attack?
- A: To exploit application errors that cause system execution issues
- B: To intercept and modify encrypted communications
- C: To overload a system with email requests
- D: To monitor network traffic for sensitive data
View Answer
A
Q386: In a DDoS attack, what role do compromised machines play?
- A: They are used to participate in the attack as zombies
- B: They monitor network traffic for unauthorized access
- C: They encrypt data transmissions to prevent interception
- D: They filter email traffic to reduce spam
View Answer
A
Q387: How can newer routers and firewall arrangements protect against spoofing?
- A: By preventing the use of forged source IP addresses
- B: By intercepting and decrypting encrypted communications
- C: By monitoring and modifying data transmissions
- D: By overloading the network with requests
View Answer
A
Q388: What type of attack uses social engineering techniques to gather information?
- A: Social Engineering Attack
- B: Buffer Overflow Attack
- C: Man-in-the-Middle Attack
- D: Distributed Denial-of-Service Attack
View Answer
A
Q389: What is the result of a successful mail bombing attack?
- A: The target email address is flooded with an excessive volume of unsolicited emails
- B: The target system is unable to respond to legitimate requests
- C: The system experiences a buffer overflow
- D: The attacker gains unauthorized access to sensitive data
View Answer
A
Q390: What is the main effect of a sniffer on a network?
- A: It monitors and captures all data traveling over the network
- B: It sends large volumes of data to overwhelm the network
- C: It alters data packets to disrupt communications
- D: It prevents unauthorized access by monitoring traffic
View Answer
A