A communication technology that uses low power radio waves to connect electronic devices wirelessly.

1. Radio wave
2. Micro wave
3. Wi-Fi
4. None of these

A communication device, used to regenerate a signal.

1. Hub
2. Switch
3. Repeater
4. None of these

The …………… identifies every single node in a network by providing a unique physical address to it.

An …………… refers to a computer network within an organization.