A network administrator needs to prevent users from accessing the accounting department records. All users are connected to the same Layer 2 device and access the Internet through the same router.
Which of the following should be implemented to segment the accounting department from the rest of the users?
A . Implement VLANs and an AC
C . Install a firewall and create a DM
E . Create a site-to-site VP
G . Enable MAC address filtering.
Answer: A