Wireless Access Point: A Wireless Access Point provides a link between ____ and ____ networks. It creates a wireless local area network that allows WiFi-____ to connect to a ____. Examples of a wireless access point in a public space could be a ____ or Bluetooth hotspot, for example a WiFi hotspot in a coffee shop or airport to provide access to the ____. A wireless access point may be a separate device or built into another device such as a ____. Router: Routers are used to transfer ____ between networks. Routers receive data packets and use the IP address in the packet header to ____ the best route to transmit the data. Data is transferred from router to router across the internet towards the ____ A router stores the IP address of each computer connected to it on the network and uses a list called a ____ to calculate the ____ and ____ route to transfer data. Switch: A switch is used to connect devices together on a ____. It receives ____ from a connected node, reads the destination address in the packet header and forwards the data directly to its ____. A switch will generate a list of the ____ of all devices connected to it when it receives data, and must scan for a ____ address before sending. An alternative to a switch is a hub but a hub is slower and less secure as it forwards a copy of received data to ____ connected nodes. NIC: A Network Interface Controller (NIC) commonly also known as a Network Interface Card is an internal piece of hardware that is required for the computer to connect to a ____. The card includes a ____ address which is used when sending data across a LAN. An ethernet cable is plugged into the network card to allow data to be exchanged between the device and a network. A NIC used to be a separate expansion card but is now typically ____ on the motherboard. Transmission Media: Although not technically a device, the communication channel along which data is transferred will affect performance. Three common types of transmission media include: ____ - used typically on a LAN to transfer data between nodes and hardware such as switches. Examples include Cat5e and Cat6. ____ - very fast but more expensive and fragile cables typically used to send data quickly along a WAN. Data is sent as pulses of light. ____ - older, slower, copper cables that are not used as much in modern times as they can be affected by electromagnetic interference.

Network hardware

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