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Question

1.

One of the primary aims of people engaged in war driving is

to:

A.

highlight the high social costs of wireless access

B.

highlight the lax security of Wi-Fi hotspots.

C.

highlight the glitches and errors of wireless access

D.

protest the creation of hotspots in hospitals



2.

Free WiFi Internet Hubs are marked in some places by symbols on sidewalks and walls to indicate nearby wireless access. This practice is known as:

A.

war driving

B.

e-littering

C.

war chalking

D.

war symbolism



3.

Knowing the speed of the satellite signals, engineers can find the location of any receiving station to within 50 feet by ______________, using the distance from a GPS to ___________ satellites to make the computation.

A.

double triangulation, six

B.

averaging, four

C.

averaging, three

D.

triangulation, three



4.

Two factors are standing in the way of Wi-Fi market growth: ________ and   __________.

A.

critical mass, security

B.

regulations, cost

C.

cost, security

D.

bandwidth, security



5.

___________________ protocol is used by 1G systems and gives each user a different frequency to communicate on.

A.

Frequency Division Multiple Access (FDMA)

B.

Time Division Multiple Access (TDMA)

C.

Code Division Multiple Access (CDMA)

D.

Code Division Single Access (CDSA)



6.

___________________ protocol is used by some of the more popular 2G systems; this protocol assigns different users different time slots on a given communications channel.

A.

Frequency Division Multiple Access (FDMA)

B.

Time Division Multiple Access (TDMA)

C.

Code Division Multiple Access (CDMA)

D.

Code Division Single Access (CDSA)



7.

In today's mobile world most of the networks rely on either _________ or   _____________ protocols.

A.

FDMA or TDMA

B.

FDMA or CDMA

C.

TDMA or CDMA

D.

CDSA or FDMA



8.

The basic l-commerce services revolve around ________ key areas.

A.

four: location, navigation, tracking, and mapping

B.

three: location, navigation, and mapping

C.

two: location and navigation

D.

five: location, navigation, tracking, mapping, and timing



9.

Which of the following most accurately and comprehensively captures the factors that are holding back the widespread use of l-commerce?

A.

accuracy, cost-based justification, bandwidth of GSM networks, and invasion of privacy.

B.

accuracy, bandwidth of GSM networks, and invasion of privacy.

C.

government regulations, accuracy, cost-based justification, and invasion of privacy.

D.

government regulations, cost-based justification, bandwidth of GSM networks, and invasion of privacy.



10.

In the company's epicenters, the items for sale have a(n)_______________ tag attached. The tag contains a processor and an antenna. If a customer wants to know about a particular item, she or he can move with the item toward one of the many displays around the store. The display automatically detects the item and provides sketches, video clips of models wearing the item, and information about the item (color, cut, fabric, materials, and availability).

A.

RFID

B.

Product

C.

Memory

D.

RCID



11.

Mobile computing has two major characteristics that differentiate it from other forms of computing:mobility and broad reach.


  

A.

True

B.

False



12.

Which of the following most accurately and comprehensively captures the key attributes driving the development of m-commerce.

A.

ubiquity, convenience, and localization of products and services.

B.

ubiquity, convenience, and personalization.

C.

ubiquity, convenience, instant connectivity, personalization, and localization of products and services.

D.

ubiquity, convenience, instant connectivity, personalization, and localization of products and services.



13.

Which of the following most accurately and comprehensively captures the key inhibitors and barriers of mobile commerce?

A.

insufficient bandwidth; transmission interferences; potential health hazards; legal issues, GPS accuracy, and WAP limitations.

B.

insufficient bandwidth; transmission interferences; potential health hazards; and WAP limitations.

C.

insufficient bandwidth; transmission interferences; GPS accuracy, and WAP limitations.

D.

transmission interferences; potential health hazards; GPS accuracy, and WAP limitations.



14.

While attending classes, a student may block all messages excepting those from her boyfriend. This filtering capability provided by a PDA is an application of:

A.

contextual computing

B.

ubiquitous computing

C.

pervasive computing

D.

invisible computing



15.

A technology, in existence since 1991 that allows for the sending of short text messages (up to 160 characters in 2003) on certain cell phones.

A.

RFID

B.

TDMA

C.

SMS

D.

CDMA



16.

Refers to a standard 802.11b on which most of the wireless local area networks run.

A.

WLAN

B.

Wi-Fi

C.

Blue tooth

D.

WAP



17.

_______ refers to the attribute of being available at any location at any given time.

A.

hotspot

B.

ubiquity

C.

convenience

D.

personalization



18.

For________, a GPS receiver is also needed.

A.

e-commerce

B.

c-commerce

C.

l-commerce

D.

m-commerce



19.

A _________ is a Web site with an audio interface

A.

audio web site

B.

voice site

C.

audio portal

D.

voice portal



20.

Inserting latitude and longitude onto an electronic map is

A.

GPS

B.

GIS

C.

BCS

D.

All of the above

 

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