Chapter 7
IP Addressing
The Following CompTIA Network+ Exam Objectives Are Covered in This Chapter:
- 1.3 Explain the purpose and properties of IP addressing.
- Classes of addresses
- A, B, C, and D
- Public vs. Private
- Classless (CIDR)
- IPv4 vs. IPv6 (formatting)
- MAC address format
- Multicast vs. unicast vs. broadcast
- APIPA
One of the most important topics in any discussion of TCP/IP is IP addressing. An IP address is a numeric identifier assigned to each machine on an IP network. It designates the specific location of a device on the network.
An IP address is a software address, not a hardware address—the latter is hard-coded on a network interface card (NIC) and used for finding hosts on a local network. IP addressing was designed to allow hosts ...
