What is a node in a network?

A node is a point of intersection/connection within a data communication network. In an environment where all devices are accessible through the network, these devices are all considered nodes. The individual definition of each node depends on the type of network it refers to.

What is a child node?

Child: A child node is a node extending from another node. For example, a computer with internet access could be considered a child node of a node representing the internet. The inverse relationship is that of a parent node. If node C is a child of node A, then A is the parent node of C.

Which node is represented by a single parent node?

Nodes are represented by a single parent node. The highest point on a tree structure is called a root node, which does not have a parent node, but serves as the parent or 'grandparent' of all of the nodes below it in the tree.

What is an example of a domotics node?

For example, within the physical network of a smart home domotics system, each home appliance capable of transmitting or receiving information over the network constitutes a node. However, a passive distribution point such as a patch panel would not be considered a node.