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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