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

Question

Quizplus · Accepted Answer

The best choice to block logical ports from invaders and make your computer invisible to others on the Internet is to install a personal firewall. A personal firewall can block unauthorized access to your computer and prevent hackers from accessing your system through open ports. Packet sniffers and filters are used for network monitoring and analysis, while antivirus software is used to detect and remove malicious software.

You Can Block Logical Ports from Invaders and Make Your