Answer :
Final answer:
A demilitarized zone (DMZ) is the network perimeter that isolates servers exposed to the internet from the internal network, enhancing security. By implementing a DMZ, organizations can protect sensitive internal systems while allowing public access to necessary services. It is more effective than uncontrolled zones, restricted zones, or VPNs in this context.
Explanation:
Understanding Network Zones
In networking, a demilitarized zone (DMZ) is a critical network segment that acts as a buffer between the internal network and the external internet. It is designed to host servers that need to be accessible from the public internet but still keeps the internal network secure.
The DMZ typically contains resources such as web servers, email servers, and DNS servers that must interact with users outside the organization. By isolating these servers, the DMZ helps to protect the internal network from attacks that may originate from the internet. Any unauthorized access attempts are limited to the DMZ, preventing them from reaching the internal systems.
Comparison with Other Zones
- Uncontrolled Zone: This does not provide specific security measures for exposed systems.
- Restricted Zone: Generally limits access but may not serve the purpose of isolating public-facing services.
- Virtual Private Network (VPN): A VPN is used for secure remote connections but does not act as a perimeter zone like a DMZ.
In summary, organizations use the DMZ to enhance their security posture by placing potentially vulnerable services in a zone that is overseen by various security measures, ensuring that their internal networks remain safe.
Learn more about network perimeter security here:
https://brainly.com/question/31834746
