Information Security MCQs with Answers
Practice important Information Security MCQs with answers and explanations.
Multiple Choice Questions
Q361: What is the primary goal of traffic analysis in passive attacks?
- A: To modify message contents
- B: To observe patterns in message traffic and infer information
- C: To alter data streams
- D: To prevent data capture
View Answer
B
Q362: What does a bot do in a malicious code attack?
- A: Collects information about users without their knowledge
- B: Executes commands based on specific inputs
- C: Delivers advertising banners to users
- D: Provides encryption for data protection
View Answer
B
Q363: What is an example of a covert software application?
- A: Bot
- B: Spyware
- C: Adware
- D: All of the above
View Answer
D
Q364: Which of the following is not a vector used by the polymorphic worm Nimda?
- A: Web browsing
- B: IP scan and attack
- C: Unprotected shares
- D: Dictionary attack
View Answer
D
Q365: What is the purpose of a back door in a system?
- A: To gain unauthorized access through a hidden mechanism
- B: To prevent access by legitimate users
- C: To monitor user activities
- D: To encrypt sensitive data
View Answer
A
Q366: What is a password cracking attack?
- A: An attempt to reverse-calculate a password using known data
- B: A method to create strong passwords
- C: An attempt to block unauthorized access
- D: An attack using encryption techniques
View Answer
A
Q367: What distinguishes a brute force attack from other types of attacks?
- A: It involves trying every possible password combination
- B: Using a dictionary of common passwords
- C: Exploiting known vulnerabilities
- D: Monitoring network traffic
View Answer
A
Q368: What type of attack uses a list of commonly used passwords?
- A: Brute force attack
- B: Dictionary attack
- C: Replay attack
- D: Malicious code attack
View Answer
B
Q369: How can organizations protect against brute force attacks?
- A: By limiting the number of unsuccessful access attempts
- B: By monitoring traffic patterns
- C: By encrypting data transmissions
- D: By altering message contents
View Answer
A
Q370: What is the focus of a dictionary attack?
- A: Using random password combinations
- B: Utilizing a list of commonly used passwords
- C: Modifying system configurations
- D: Blocking unauthorized access
View Answer
B