If all client exclusion policies are enabled，on which number of tries will 802.1X authentications beexcluded using controller-based access points？（）

A.Cisco-LEAP， EAP-FAST， EAP-PEAP （GTC）， EAP-TLS
B.Cisco-LEAP， EAP-PSK， EAP-PEAP （MS-CHAP v2）， EAP-TLS
C.Cisco-LEAP， EAP-FAST， EAP-PEAP （MS-CHAP v2）， EAP-TTLS
D.Cisco-LEAP， EAP-MD5， EAP-PEAP （GTC）， EAP-TTLS

A.20 km [12.4 miles]
B.10 km [6.2 miles]
C.5 km [3.1 miles]
D.25 km [15.5 miles]
E.15 km [9.3 miles]

A.enable concatenation on the non-root bridge only
B.enable concatenation on the root bridge only
C.enable concatenation on both the root bridge and non-root bridge
D.enable concatenation on the root bridge and set it as desirable on the non-root bridge
E.set concatenation as desirable on the root bridge and enable it on the non-root bridge