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Operating System
Security System Facility
Q
What is used to protect network from outside internet access?
AA. A trusted antivirus
BB. 24 hours scanning for virus
CC. Firewall to separate trusted and untrusted network
DD. Deny users access to websites which can potentially cause security leak
Correct Answer:
C. C. Firewall to separate trusted and untrusted network
Explanation:
Firewall create a protective barrier to secure internal network. An antivirus can only detect harmful viruses but cannot stop illegal access by remote attacker.
