Unit 8. Information and Communication Technology

UGC NET JRF Paper 1 Free Unit-wise Test Series.

Question (7/10)


Q.7. What is the purpose of a firewall in a computer network?

(A). To increase network speed  

(B). To protect the network from unauthorized access  

(C). To store backup data  

(D). To manage network traffic  


Answer: (B). To protect the network from unauthorized access


Explanation: A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted network and an untrusted network.



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