CompTIA Network+ N10-008 Certification Guide - Second Edition

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Understanding IPv4 and IPv6 Addressing

Each device connected to a network needs a logical address to be able to communicate with other devices and share resources. Without logical addressing, a sender will not be able to specify the delivery address or location for a message, and a recipient of a message will not know the sender’s address if a response is needed. Within private networks within organizations and public networks on the internet, each device is assigned a logical address, which helps networking devices forward messages between a source and a destination.

In this chapter, you will understand the need for public and private IP address spaces and why it matters to networking professionals and organizations. You will gain a solid ...