Why does ISE require its own certificate issued by a trusted CA?

Why does ISE require its own certificate issued by a trusted CA?
A . ISE’s certificate allows guest devices to validate it as a trusted network device.
B . It generates certificates for guest devices based on its own certificate
C . ISE’s certificate allows it to join the network security framework
D . It requests certificates for guest devices from the CA server based on its own certificate.

View Answer

Answer: A