Chapter 8
The major problem with RFID has been
Expense
With which type of satellite is there a propagation delay?
Geostationary
Which type of satellite has the shorted orbital life?
Low earth orbit
Which type of satellite requires the highest number of satellites to cover the earth
Low earth orbit
GPS are supported by _____ satellites
MEO
Wi-fi networks are typically classified as _____ wireless networks
Medium-range
_____ use multiple Wi-fi access points to create a wide area network
Mesh networks
Using your cell phone to purchase a Coke from a vending machine is an example of...
Micropayment
Which of the following technologies is wireless but NOT mobile
Microwave towers
The major types of wireless media are
Microwave,satellite, radio, and infrared
Mobile applications in financial services include which of the following?
Mobile banking, wireless electronic payment systems, micropayment, and brokerage services
Mobile computing had two major characteristics that differentiate it from other forms of computing. Which are these two characteristics
Mobility, broad reach
Cold Case
Problem: layout fitting in mobile devices Solution: mobile ads
All of the following statements regarding QR codes are true EXCEPT
QR codes can only store information that is comprised of numbers or text
The technology that users radio waves to identify individual items is
Radio-frequency identification
A(n) ____ allows unauthorized entry into a wireless network
Rogue access point
An "evil twin" is associated with which type of threat to wireless networks
Rogue access points
A(n) ____ is a new class of digital communication device that provides on organizer, cell phone, digital camera, access to e-mail, internet access, and short message service
Smart phone
Which of the following statement about wireless devices is NOT true
They have strong security feature that make them impossible to hack
Which of the following is NOT a mobile application in financial services
Transaction processing systems
Which of the following is the most appropriate wireless technology for real-time location of caregivers and mobile equipment in health-care environments
Ultra wideband
Which of the following statements about Wi-Fi is NOT correct?
Wi-Fi is expensive to set up
Development of mobile commerce is driven by..
Widespread availability of mobile devices, bandwidth improvement
_____ is the standard that enables wireless devices to access Web-based information and services
Wireless Application Protocol
A transmitter with an antenna that connect a mobile device to a wired local area network is called a(n)
Wireless access point
_______ collect data from many points over an extended space
Wireless sensor networks
