Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q1171: Which attack involves the use of malicious software to encrypt a user's data until a ransom is paid?
- A: DDoS attack
- B: Phishing
- C: Spyware
- D: Ransomware
View Answer
D
Q1172: What is the primary goal of a "man-in-the-middle" attack?
- A: Eavesdropping on communication
- B: Encrypting data
- C: Stealing passwords
- D: Flooding a network
View Answer
A
Q1173: Which of the following is an example of social engineering?
- A: Buffer overflow
- B: SQL injection
- C: Phishing
- D: Firewall configuration
View Answer
C
Q1174: What type of malware records everything a user types?
- A: Virus
- B: Trojan
- C: Keylogger
- D: Worm
View Answer
C
Q1175: Which attack involves inserting malicious code into a web application's database?
- A: Cross-site scripting
- B: SQL injection
- C: Phishing
- D: Man-in-the-middle
View Answer
B
Q1176: In a "denial of service" (DoS) attack, what is the main target?
- A: Data integrity
- B: System availability
- C: Network speed
- D: User credentials
View Answer
B
Q1177: What form of attack exploits a vulnerability in a network protocol?
- A: SQL injection
- B: Man-in-the-middle
- C: Protocol exploit
- D: Phishing
View Answer
C
Q1178: Which of the following attacks relies on tricking users into revealing confidential information?
- A: Ransomware
- B: Social engineering
- C: Keylogger
- D: DoS attack
View Answer
B
Q1179: What type of malware spreads by replicating itself and usually does not need human interaction?
- A: Spyware
- B: Worm
- C: Trojan
- D: Adware
View Answer
B
Q1180: What is the primary purpose of a firewall in network security?
- A: Encrypting data
- B: Preventing unauthorized access
- C: Monitoring network traffic
- D: Blocking malware
View Answer
B