The feature on the Cisco Wireless LAN Controller that restricts management access from specific networks when enabled is:
C. Flex ACL
Flex ACLs (Access Control Lists) provide enhanced control for defining which management access methods (like SSH or HTTP) are allowed from different networks.
B is correct
The feature on the Cisco Wireless LAN Controller that when enabled, restricts management access from specific networks is the CPU ACL (Access Control List).
This feature allows administrators to define rules that restrict access to certain IP addresses, services, or networks.
ACLs can only be applied to dynamic interfaces. In WLC firmware version 4.0, there are CPU ACLs that can filter traffic destined for the management interface. (You can only configure CPU ACLs via GUI or CLI).
https://www.cisco.com/c/en/us/support/docs/wireless-mobility/wlan-security/71978-acl-wlc.html
C. Flex ACL (Access Control List)
Explanation:
Flex ACL, also known as FlexConnect Access Control List, is a feature on the Cisco Wireless LAN Controller that allows for the enforcement of access control policies for management access to the controller from specific networks. By configuring Flex ACL, you can define rules that determine which networks are allowed or denied access to manage the controller.
The other options are not directly related to restricting management access from specific networks:
A. TACACS (Terminal Access Controller Access Control System) is a security protocol used for centralized authentication, authorization, and accounting (AAA) services.
B. CPU ACL (Central Processing Unit Access Control List) is a feature that allows you to apply access control policies to control traffic destined for the CPU of a network device.
D. RADIUS (Remote Authentication Dial-In User Service) is a networking protocol that provides centralized authentication, authorization, and accounting for remote access and network services.
For any traffic to the CPU, for example, management protocols such as SNMP, HTTPS, SSH, Telnet, or network services protocols such as Radius or DHCP, use a “CPU ACL”
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