CSC 113 - Quiz 2

Which of the following is a low-power, shorter range wireless technology that is intended to replace wired connectivity for accessories such as speakers or a mouse?

• Wi-Fi

• GPS

• NFC

• Bluetooth

Which of the following is a wireless communication technology that enables a smartphone to communicate with a payment system within a few centimeters away?

• Bluetooth

• Wi-Fi

• NFC

• GPS

A home router typically only provides wired access to the network. You have to buy a separate device for wireless access.

• True

• False

Which of the following is used to connect a wired device to the internal switch of the home router?

• Ethernet port

• Internet port

• Power port

• Wireless port

Certain areas of the electromagnetic spectrum can be used without a permit.

• True

• False

Wi-Fi, Bluetooth, and cordless phones all use the same frequency ranges.

• True

• False

Answer explanation

Wi-Fi uses two different frequency ranges: 2.4 GHz and 5 GHz. Bluetooth also uses the 2.4 GHz frequency range. However, cordless phones operate at a lower ~900 MHz frequency range.

Which wired network technology has an inner wire surrounded by a tubular insulating layer, that is then surrounded by a tubular conducting shield.

• Category 5 cable

• Coaxial cable

• USB cable

• Fiber-optic cable

Which organization is responsible for testing wireless LAN devices?

• IETF

• Wi-Fi Alliance

• IEEE

• TIA/EIA

What is used to identify a specific wireless network?

• the Service Set Identifier (SSID)

• the IP address of the router

• the network mode

• the network address

If you have devices on your wireless network that are using a variety of different 802.11 standards, then you should set your network to the highest standard to get the best throughput.

• True

• False

Answer explanation

The network should be configured for mixed mode to include devices that use any of the existing Wi-Fi standards.