Final answer:
The high school principal can prevent student access to known malware websites through various methods, such as DMZ, URL filtering, and DNS forwarding.
Step-by-step explanation:
The high school principal can prevent student access to known malware websites through various methods:
DMZ: A Demilitarized Zone (DMZ) can be set up between the school's internal network and the external network. This creates a buffer zone that restricts access to known malware websites.
URL Filtering: The principal can implement URL filtering software or hardware that blocks access to specific websites categorized as malware.
DNS Forwarding: DNS forwarding can be used to redirect requests for known malware websites to a safe landing page or block the requests entirely.
Out of the given options, the most suitable method to prevent student access to known malware websites would likely be URL filtering, as it allows for specific blocking of websites known to contain malware.