Answer:
a) Switch
Step-by-step explanation:
In Computer Networking, a node is the physical device that make up a network and are capable of sending, receiving, creating and storing data in communication.
Examples of network nodes are modem, hubs, computer, switches, phone and printers.
Multiple nodes are basically required to establish a network connection.
A switch is a network device that connects a node to another node within a Local Area Network (LAN) by using packet switching to receive and forward data to the intended destination device such as router.