Question

The function of a "Firewall" in a network is _____.

• A. To store files
• B. To prevent unauthorized access to or from a private network
• C. To increase internet speed
• D. To manage network traffic

Hint:

Think of a firewall as a security guard that blocks unwanted access to your network.

Answer 1

The Correct Option is B

Concept: A firewall is a network security system that monitors and controls incoming and outgoing traffic.
Step 1: Understand function.
\[ {Firewall} \Rightarrow {protects network from unauthorized access} \]
Step 2: Evaluate options.

• (A) To store files $\times$ storage function
• (B) To prevent unauthorized access \checkmark correct
• (C) To increase internet speed $\times$ not its purpose
• (D) To manage network traffic $\times$ partial but not primary role

Hence, the correct answer is option (B).