Given: The Marketing department’s WLAN users need to reach their file and email server as...

Role-Based Access Control (RBAC) allows administrators to define user roles and enforce network access permissions based on the user’s identity. By implementing RBAC in the WLAN, you can:

Grant the Marketing group access only to the file/email server and the Internet

Prevent access to other internal resources

This single feature enables fine-grained restriction without needing multiple SSIDs or ACLs.

Other options don’t provide the necessary flexibility:

A. Mutual authentication ensures secure identity verification but doesn't control network access scope

B & D & E do not provide targeted resource-level access control