Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q2521: What does a firewall do?
- A: Enhances internet speed
- B: Acts as a security guard between the Internet and a network
- C: Increases the number of connections
- D: Manages database transactions
View Answer
B
Q2522: Which area of computer security ensures that data is available to users when needed?
- A: Confidentiality
- B: Integrity
- C: Availability
- D: Authentication
View Answer
C
Q2523: Fill in the blank: The primary role of a firewall is to prevent unauthorized access to a ________.
- A: Database
- B: Network
- C: User account
- D: File system
View Answer
B
Q2524: What is one potential risk associated with unauthorized computer access?
- A: Increased internet speed
- B: Data theft and misuse
- C: Enhanced security
- D: Improved network performance
View Answer
B
Q2525: Fill in the blank: Computer security involves controlling physical access as well as protection against harm due to ________.
- A: Malware
- B: Data breaches
- C: Network attacks
- D: Software updates
View Answer
C
Q2526: Which of the following is NOT a concern of computer security?
- A: Confidentiality
- B: Integrity
- C: Efficiency
- D: Authentication
View Answer
C
Q2527: What does "Integrity" in computer security refer to?
- A: Ensuring data is only accessed by authorized users
- B: Ensuring data is available when needed
- C: Ensuring data is not altered by unauthorized users
- D: Ensuring only legitimate users can access data
View Answer
C
Q2528: Fill in the blank: DDOS attacks are aimed at ________.
- A: Enhancing data security
- B: Crashing servers to prevent access
- C: Encrypting data
- D: Backing up files
View Answer
B
Q2529: What can unauthorized access to a computer system lead to?
- A: Enhanced user experience
- B: Data theft, program modification, and misuse
- C: Improved system performance
- D: Better network security
View Answer
B
Q2530: Which term describes a software or hardware component that blocks unauthorized network access?
- A: Antivirus software
- B: Firewall
- C: Data encryption tool
- D: Network switch
View Answer
B