A) Unauthorised attacks
B) Virus attacks
C) Data - driven attacks
D) Fire attacks
E) None of these
Correct Answer: A
Solution :
[a] In computing, a firewall is a network security system that control the incoming and outgoing network traffic based an applied rule set. A firewall establishes a barrier between trusted, secure internal network and another network (e.g., the Internet) that is sumed not to be secure trusted.
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