What is the purpose of network segmentation?

Network segmentation serves the important purpose of enhancing both performance and security by dividing a larger network into smaller, isolated sections. This strategic approach allows for better control of data flow and reduces the risk of breaches, as attackers are less able to move laterally across different segments. Each segment can be managed according to its specific security requirements, which means that sensitive data can be better protected, while less critical data might be subjected to more lenient controls. Moreover, segmentation can lead to improved performance by reducing congestion, as traffic is contained within its designated segment rather than overwhelming the entire network.

The other options do not capture the true purpose or benefits of network segmentation. Combining all devices into a single network can introduce vulnerabilities and complicate management rather than simplifying it. Centralizing user management does not necessarily relate to the concept of segmentation, as segmentation focuses primarily on network structure rather than user administration. Lastly, eliminating the need for security protocols contradicts the very goal of segmentation, which is to enhance security, not diminish it.