Encapsulation - how data crosses the layers

What each layer wraps, and why IP addresses stay put while MAC addresses change at every hop.

FAQ Privacy Policy Acceptable Use Accessibility contact@subnetica.xyz

CCNA is a registered trademark of Cisco Systems, Inc. CompTIA Network+ and CompTIA Security+ are registered trademarks of CompTIA, Inc. Subnetica is an independent learning platform and is not affiliated with, endorsed by, or sponsored by Cisco Systems, Inc. or CompTIA, Inc.