A subset of a network that includes all the routers but contains no loops is called _______

A) spider tree

B) special tree

C) spanning tree

D) spider structure

Correct Answer : spanning tree

Explanation : Spanning tree protocol (STP) is a network protocol that creates a loop free logical topology for ethernet networks. It is a layer 2 protocol that runs on bridges and switches. The main purpose of STP is to ensure that you do not create loops when you have redundant paths in your network.