Wireless Connections

Hamad is deciding whether to use a infrared or bluetooth wireless keyboard. Which of the following is a benefit of infrared?

• Fast data transfer speed.

• Low susceptibility to interference.

• Long data transmission range.

• It requires line of sight.

What is the maximum range of infrared in metres?

Hamad has learnt that Bluetooth is more common for wireless peripherals now. Which two of the following are benefits of bluetooth over infrared?

• Lower susceptibility to interference.

• Faster data transfer speed.

• More secure.

• Doesn't require line of sight.

Sally wants to access the internet wirelessly on her laptop. It doesn’t have a wireless network card though. She has heard that she can use her mobile broadband on her laptop by “tethering” it to her smartphone. What wireless technology would she use for this?

• Infrared

• RFID

• WiFi

• Bluetooth

If Sally decided to use WiFi to access the internet wirelessly, what two benefits over mobile broadband would this provide her?

• Faster data transfer speed.

• Longer range internet access.

• Simpler to setup.

• Much cheaper internet access.

Which of the following peripheral devices are commonly connected to wirelessly via WiFi?

• Mouse

• Keyboard

• Printer

• Graphics Tablet

Tom needs to use the internet while on the go. He isn’t a very experienced IT user though and is worried about setting up an internet connection. What two benefits of mobile broadband make it appropriate for him?

• It is a really cheap method of accessing the internet.

• It is has very fast data transfer speeds.

• You can access the internet almost everywhere.

• It is a really easy method of connecting to the internet.