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Exam 7: Networks: Mobile Business

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Question 71

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What is a device that measures the acceleration (the rate of change of velocity) of an item and is used to track truck speeds or taxi cab speeds?

A) Active RFID
B) Semi-passive RFID
C) RFID Accelerometer
D) Chipless RFID

E) C) and D)
F) None of the above

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Question 72

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A ____________ receives and repeats a signal extending its attenuation or range.

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Question 73

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What is software that prevents direct communication between a sending and receiving computer and is used to monitor packets for security reasons?

________________ information system (GIS)stores,views,and analyzes geographic data creating multidimensional charts or maps.For example,GIS are monitoring global warming by measuring the speed of glaciers melting in Canada,Greenland,and Antarctica.

Enter passive or active in the space below: _________ RFID tags do not have a power source.

_________ tracking occurs when a company places active or semi-passive RFID tags on expensive products or assets to gather data on the items location with little or no manual intervention.

Which of the following allows high-speed digital data transmission over standard telephone lines?

A metropolitan area network (MAN)is a large computer network usually spanning a _________.

What is a wireless PAN technology that transmits signals over short distances among cell phones,computers,and other devices?

Protecting against theft can expose a company to many significant risks such as stolen IDs,__________,encryption keys,and even confidential company information.

The packet ______________ represents the end of the packet or transmission end.

What is an extension of an Intranet that is available only to authorized outsiders?

Network _____________ is the efficient coexistence of telephone,video,and data communication within a single network,offering convenience and flexibility not possible with separate infrastructures.

Identify the benefits of business mobility.

A ___________ is a standard that specifies the format of data as well as the rules to be followed during transmission.

_______________ represents a north/south measurement of position.

Estimated-time-of-arrival (ETA)is the time of day of an expected arrival at a certain destination and is typically used for navigation applications.

Routing information,sending information alerts,mapping densities and quantities are all examples of ___________ information systems.

What is the practice of tagging pavement with codes displaying where Wi-Fi access is available?

Packets directly impact network performance and reliability by subdividing an electronic message into smaller more manageable packets.