1.5 Communication hardware

Question 1

What is the purpose of a hub?

Answer 1

Join multiple computers or other network devices to form a single network segment

Question 2

What is the purpose of a switch?

Answer 2

Does the same as a hub but more efficiently. Channels incoming data from multiple input ports to the specific output port

Question 3

What is the purpose of a router?

Answer 3

Used to connect similar and dissimilar LANs. Routes traffic by considering the network as a whole. Constantly monitors the condition of the network to adapt to changes. Joins a home or business network to the internet.

Question 4

What is the purpose of a Modem

Answer 4

Converts digital signals generated by the computer to analogue signals that can be transmitted over a telephone, cable or satellite line; transforms incoming analogue signals into their digital equivalents

Question 5

What is the purpose of a wireless access point?

Answer 5

A hardware device or configured mode on a LAN that allows wireless-capable devices and wired networks to connect through a wireless standard, including wi-fi and Bluetooth. Used in office environments allowing employees to work anywhere in the office and remain connected to a network.

Question 6

What is the purpose of a hybrid device?

Answer 6

Provides a common hybrid access point, e.g. hybrid router. Broadcasts a wi-fi signal as well as containing ethernet ports for connecting wired devices; it would also have a port for connecting to a cable or DSL modem via an ethernet cable. Allows for the mobility and flexibility of a wireless network while providing the speed for accessing large files in an office environment.