You have been asked by your superior to configure all Cisco network switches to allow only acceptable MAC addresses through switch access ports. How is this accomplished?
a. Use the switchport port-security command to enable MAC filtering.
b. Use the mac-limit command to prevent more than one MAC from being accepted.
c. Use the allowed-mac command to filter by MAC address.
d. Use the secure port mac-address command to limit the port to learned addresses only.
ANSWER: a
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