IST 309 CH 8

The key fob you use to open your car before you get to it is an example of _______.

telemetry

The rule of thumb in the wireless industry is that a smartphone uses 4 gigabytes of data per month where ____ percent travels through Wi-Fi.

75

The advantage of ________________ is they can be read over greater distances.

Active RFID tags

Which of the following is NOT a value-adding attribute of mobile computing?

Bandwidth improvement

____________ refers to the fact that when users carry an open mobile device, they can be reached instantly, even across great distances.

Broad reach

______________ satellites are the most expensive to build and launch.

GEO

Wi-Fi is a ______________.

LAN

Hotspots are an example of ______________ wireless networks.

Medium-range

Which of the following is a medium-range wireless network?

MiFi

______________________ refers to the real-time connection between a mobile device and other computing environments.

Mobile computing

____________ means that users carry a device with them and can initiate a real-time contact with other systems from wherever they happen to be.

Mobility

Which of the following is the technology that enables most mobile wallet applications?

NFC

________________ store information horizontally and vertically.

QR codes

NFC is an example of ______________ wireless networks.

Short-range

______________________ is the wireless transmission and receipt of data gathered from remote sensors.

Telemetry

Which of the following is a short-range wireless network?

UWB

_____________ means a mobile device can provide information and communication regardless of the user's location.

Ubiquity

War driving is the act of locating __________________ while driving around a city.

WLANs

_____________ is the act of locating WLANs while driving around a city.

War driving

____________ enables peer-to-peer communications and allows users to transfer content among devices without having to rely on a wireless antenna.

Wi-Fi Direct