What is considered a major advantage of using Cisco TrustSec?

Utilizing Cisco TrustSec offers significant advantages, particularly in creating policies that operate independently of IP addressing and topology. This feature enhances network flexibility and scalability, as it allows for dynamic policy application based on user identity and context, rather than relying on static network characteristics. By abstracting the policy layer from the underlying IP addressing scheme, organizations can more easily manage and enforce security policies as devices move across various segments of the network without the need to reconfigure policies tied to specific IP addresses or subnet structures.

This independence means that changes to the network infrastructure, such as redesigns or alterations in IP addressing, do not require corresponding adjustments to the access control policies. This is especially valuable in environments with high mobility or in scenarios involving frequent changes in the network topology. Consequently, it enables more agility in managing security policies, leading to improved operational efficiency and a reduced likelihood of misconfigurations.

The other advantages presented in the choices support the overall benefits of TrustSec, but the ability to create policies independent of IP addresses is the cornerstone of its design, providing a strategic leverage point for organizations aiming to enhance their security posture while simplifying policy management processes.