A multifunction device is a single piece of equipment that looks like a copy machine but provides the functionality of a printer, scanner, copy machine, and perhaps a fax machine.
No, this machine only supports a single phone line.
A network ready device is a device that has the potential to connect to a network, natively it isn't connected to a network, nor is it a network, but with the appropriate configuration and possibly with the addition of components could be connected.
A router
Hub is the device used to interconnect nodes in a network
what is the speed of a network adaptor on a Nas DEVICE
Communication device
node
One device that is shared on the network is a router. This is the one that will connect the various devices to the shared network.
HUB
HUB
A network client is any device that requests resources/information from another device.