You can block logical ports from invaders and make your computer virtually invisible to others on the Internet by installing ________.
A) a packet sniffer
B) a firewall
C) a packet filter
D) antivirus software

Question

Quizplus · Accepted Answer

A firewall helps to block unauthorized access to your computer's ports, making it less visible and vulnerable to attacks from the internet.

You Can Block Logical Ports from Invaders and Make Your