Section 6.10 Infrared and Bluetooth

Which of the following are characteristics of Bluetooth? (Select Two)

a. 2.4 GHZ radio wireless
b. Red spectrum light waves
c. 5.75 GHz radio wireless
d. Ad hoc connections
e. Line-of-sight transmission

2.4 GHZ radio wireless Ad hoc connections

You want to use a wireless printer at home. The printer will be used by two computers in two different rooms. Which interfaces could be used to do this? (Select Two)

a. Wireless Ethernet
b. IEEE 1284
c. Bluetooth
d. Infrared (IrDA)
e. USB
f. IEEE 1394

Wireless Ethernet Bluetooth

You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which would be the best choice?

a. Bluetooth
b. Infrared
c. Cellular WAN
d. Wireless Ethernet

Bluetooth

You want to use a wireless keyboard and mouse with your laptop computer. Which method should you choose?

a. IEEE 1394
b. Bluetooth
c. 802.11g wireless
d. PS/2
e. USB

Bluetooth

What is the maximum range of the Bluetooth 2.0 specification for Class 1 devices?

a. 50 M
b. 100 M
c. 10 M
d. 300 M
e. 30 M

100 M

What is the maximum transmission speed for Bluetooth devices?

a. 1 Mbps
b. 3 Mbps
c. 54 Mbps
d. 11 Mbps

3 Mbps

A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside it works sporadically. How can you fix this? (select two)

a. Move the printer closer to the computer.
b. Block any direct and reflected sunlight from the pathway between the PC and printer.
c. Set the environment setting to outdoor mode in the BIOS.
d. Install a Gamma Ray Spectrometer (GRS) to shield the interface.

Move the printer closer to the computer. Block any direct and reflected sunlight from the pathway between the PC and printer.

Which of the following is not an example of wireless networking communications?

a. DSL
b. Infrared
c. 802.11n
d. Bluetooth

DSL