subnetica
Get started
01 Read02 Apply03 Complete

Build the idea first, then use the next activity to check it.

Asking the network what it is plugged into

LLDP, CDP, and what a neighbour table does and does not prove.

subnetica© 2026 · Learn, practice, retain.
AboutFAQPrivacy PolicyTerms & Acceptable UseAccessibilitycontact@subneti.ca
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.