Question

a hierarchical network topology in which each device is connected to a central node, either directly or through one or more other devices, is also called a ______ network.
o tree
o bus
o mesh
o star

Explanation:

In a tree - network topology, devices are connected in a hierarchical manner to a central - like root node either directly or through intermediate devices. In a bus network, devices are connected to a single communication line. In a mesh network, devices are connected to multiple other devices for redundancy. In a star network, all devices connect to a central node directly or via other devices in a hierarchical fashion as described in the question.

Answer:

A. tree