ch 13

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Active RFID tags do not require their own power source.

False

One of the drawbacks of the proposed 802.11ac standard is an expected lower battery life for wireless devices using this standard.

False

The transmission speed of wireless personal area networks is higher than the other types of wireless networks.

False

What type of RFID tag operates at 2.45 GHz?

Microwave

If you are setting up a retail business and want to use the latest technology to make customer purchases as easy as possible at the checkout line, which technology are you most likely to deploy?

NFC

What technology does LTE use to achieve higher data rates?

OFDM

Which technology is most likely found in applications such as asset tracking, Smart Keys, and toll collection?

RFID

A BAN is a network system of devices in close proximity to a person's body.

True

If multiple piconets cover the same area, a Bluetooth device can be a member in two or more overlaying piconets.

True

Which of the following is NOT considered a low data rate technology?

UWB

Which of the following was a result of a group formed to investigate a high-rate WPAN due to the weaknesses of Bluetooth?

UWB

What type of wireless network is used for portable or stationary devices that are within 107 meters (350 feet) of each other or a centrally located access point?

Wlan

Which technology is most likely found in applications such as smart lighting, temperature control, and smoke detection?

ZigBee

Which of the following is NOT true of broadband radio service?

can be used as an alternative to cable TV

Free space optics (FSO) transmissions are sent by low-powered ____ beams through the open air.

infrared

Which of the following is NOT true of the Bluetooth technology?

it uses the 5.0 GHz spectrum

In a piconet, one device is the ____, and controls all of the wireless traffic.

master

A Bluetooth device in ____ mode is part of the piconet but is in a low-power state.

park/hold

Which of the following is true about free space optics?

speeds are comparable to fiber optic

Which of the following is NOT true about IrDA technology?

transmission uses lasers

What is the recommended color for the window in an IrDA device?

violet


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