AP® Cybersecurity glossary
IP address
Also called: IPv4 address
A numerical identifier assigned to a device's connection by the network it joins, made of a network portion and a host portion.
Appears in the course and exam description (CED): 3.4.D.23.5.E.7
Why it matters in Unit 3
Firewall rules and logs are written in internet protocol (IP) addresses and ranges, so Unit 3 expects you to read them, such as 192.168.1.0/24.
Example
In 192.168.1.10/24 the network portion is 192.168.1 and the host portion is 10. A /24 range holds 256 addresses.
Learn it properly, with a checkpoint Addresses: MAC, IP, ARP, DNS and ICMP