SW1#config t
SW1（ config） #dot1x system-auth-controlSW1(config)#exit
Refer to the exhibit. Which statement about the effect of this configuration is true?

A.
It blocks all EAPOL from passing through the switch

B.
It puts all ports on the switch into the authorized state

C.
It enables 802,????1x??? globally on the switch

D.
It disables the ?????of guest VLANs on the switch