STP

1. Short for Spanning Tree Protocol, STP is a networking protocol designed to create a single path over a network, preventing any loops from occurring on a network even if there are multiple paths to the same destination.
2. Short for Shielded Twisted Pair, see our STP cable definition for additional information.
3. Short for Software Test Plan, STP is a type of plan developed as a guideline to test computer software. 

Also see: BPDU, Network definitions, Protocol