A company wants to implement a portal authentication solution for guests (such a solution is also
called Web-Auth). Guest belong to VLAN4, as shown in the exhibit. The intelligent Management
Center (IMC) User Access Manager (UAM) will provide authentication and the Web Portal.
Where should the network administrator enable portal authentication?

A.
On the VLAN 4 interface on the core IRF virtual switch
B.
On the ports with membership for VLAN 4 on the access layer IRF virtual switches
C.
On the ports with membership for VLAN 4 on the core IRF virtual switch
D.
On VLAN 4 on the core IRF virtual switch
Explanation:
A
0
0
b++
0
0
B
0
0
B
the authentication must be close to guests
0
0