According to Cisco best practices, which three protocols should the default ACL allow on an access port to enable wired BYOD devices to supply valid credentials and connect to the network?

According to Cisco best practices, which three protocols should the default ACL allow on an access port to enable wired BYOD devices to supply valid credentials and connect to the network?

(Choose three.)
A . BOOTP
B . TFTP
C . DNS
D . MAB
E . HTTP
F . 802.1x

View Answer

Answer: A,B,C

Explanation:

ACLs are the primary method through which policy enforcement is done at access layer switches for wired devices within the campus.

ACL-DEFAULT–This ACL is configured on the access layer switch and used as a default ACL on the port. Its purpose is to prevent un-authorized access.

An example of a default ACL on a campus access layer switch is shown below:

Extended IP access list ACL-DEFAULT 10 permit udp any eq bootpc any eq bootps log (2604 matches) 20 permit udp any host