/32 CIDR Notation in an ACL

Are you preparing to take the Security+ exam? If so, make sure you know how to craft rules in firewall and router ACLs. As an example, see if you can answer this question.

Q. You need to configure a firewall to allow traffic from Homer's computer to all of the servers within the 192.168.8.0/24 network. The following graphic shows a partial network diagram. Click it to view the image in full size.

Which of the following choices is the BEST to identify the source in the ACL rule?

A. 192.168.5.5/24

B. 192.168.5.5/32

C. 192.168.10.0/24

D. 192.168.10.0/32

See if you're correct (and view the full explanation) here.