ch 13
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
