Information Security MCQs with Answers
Practice important Information Security MCQs with answers and explanations.
Multiple Choice Questions
Q371: What is the main goal of a denial-of-service (DoS) attack?
- A: To steal sensitive information
- B: To overload a system with requests
- C: To intercept network packets
- D: To modify data transmissions
View Answer
B
Q372: In a distributed denial-of-service (DDoS) attack, what is used to launch the attack?
- A: A single compromised system
- B: A coordinated stream of requests from many locations
- C: A single large packet
- D: An encrypted communication stream
View Answer
B
Q373: What is the primary difference between DoS and DDoS attacks?
- A: DoS attacks use many systems, while DDoS attacks use only one
- B: DoS attacks involve a single source of attack, while DDoS involves multiple sources
- C: DDoS attacks are less harmful than DoS attacks
- D: DoS attacks use encryption, while DDoS does not
View Answer
B
Q374: What technique does spoofing use to gain unauthorized access?
- A: Using forged source IP addresses
- B: Intercepting encryption keys
- C: Overloading a network with requests
- D: Monitoring network traffic
View Answer
A
Q375: In a man-in-the-middle attack, what does the attacker do?
- A: Monitors, modifies, and inserts packets into the network
- B: Forwards packets without alteration
- C: Overloads the target system with requests
- D: Intercepts encryption keys to decrypt communications
View Answer
A
Q376: What is spam primarily used for?
- A: Overloading a system with requests
- B: Collecting sensitive information
- C: Enhancing malicious code attacks
- D: Modifying data transmissions
View Answer
C
Q377: What does mail bombing achieve?
- A: Overloading an email system with large quantities of mail
- B: Intercepting sensitive data from email communications
- C: Modifying email contents
- D: Preventing unauthorized access to email accounts
View Answer
A
Q378: What is a common method for dealing with spam?
- A: Using email filtering technologies
- B: Modifying email headers
- C: Encrypting email contents
- D: Blocking unauthorized IP addresses
View Answer
A
Q379: What is a sniffer used for?
- A: Monitoring network data transmissions
- B: Modifying network packets
- C: Overloading a network with requests
- D: Encrypting network communications
View Answer
A
Q380: What does social engineering typically involve?
- A: Using social skills to obtain access credentials or information
- B: Intercepting network packets
- C: Overloading a system with requests
- D: Encrypting sensitive data
View Answer
A