Which of these is designed to restrict network traffic by application and port number?
A) Anti-virus software
B) Firewall
C) NTFS permissions
D) Anti-spyware software
E) A really big network traffic light
The answer: B) Firewall
A firewall can identify and control applications and/or network traffic based on port numbers and other packet information.
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Want to know more? Watch “Digital Security Techniques.”There are a number of digital security techniques that can help protect your system from the bad guys. In this video, you’ll learn about anti-virus/anti-spyware software, firewalls, account protection, and user rights and permissions |
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