2. Sample Papers
  3. 5th Class
  4. Computers Science

5th Class Computers Science Sample Paper Computer Science Olympiad Model Test Paper-7

  • question_answer
    Firewalls are used to protect a communication network system against:

    A) Unauthorized attacks      

    B) Virus attacks

    C) Fire attacks                   

    D) Data-driven attack

    E) All of these

    Correct Answer: A

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