A router that connects your LAN to the internet has a basic built-in firewall that does not have any network monitoring or filtering. What is its major advantage?

A. filters ransomware
B. filters zero-day exploits
C. removes viruses
D. isolation from the internet

D. isolation from the internet

The major advantage of a basic built-in firewall on a router connecting your LAN to the internet is that it provides a level of isolation and protection from unauthorized access from the internet. This can help prevent potential cyber attacks and intrusion attempts on your network.