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Exam 7: Networks: Mobile Business

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Question 51

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The bandwidths associated with Wi-Fi are separated according to several wireless networking standards,known as ___________,for carrying out wireless local area network communication.

A) Bits
B) 802.11
C) 80118091
D) 91210

E) A) and D)
F) C) and D)

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Question 52

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What is the standard Internet protocol,which provides the technical foundation for the public Internet?

A) Data streaming and DSL protocols
B) Transmission control protocol/Internet protocol (TCP/IP)
C) Data streaming rules and regulations
D) Internet protocol/Transmission control protocol (IP/TCP)

E) A) and B)
F) B) and C)

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Question 53

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War _____________ is the practice of tagging pavement with codes displaying where Wi-Fi access is available.

___________________ service providers (RSPs)offer Internet service by connecting to NSPs,but they also can connect directly to each other.

Attenuation is a single unit of binary data routed through a network.

WLANs that use Wi-Fi have a built-in security mechanism called Wi-Fi Protected Access (WPA),a wireless security protocol to protect Wi-Fi networks.It is an improvement on the original Wi-Fi security standard,Wired Equivalent Privacy (WEP),and provides more sophisticated data encryption and user authentication.

Dynamic Host Configuration Protocol (DHCP)allows dynamic IP address allocation so users do not have to have a preconfigured IP address to use the network.

What represents the loss of a network signal strength measured in decibels (dB) and occurs because the transmissions gradually dissipate in strength over longer distances or radio interference or physical obstructions like walls also impact communication signals?

_______________ represents a north/south measurement of position.

Which of the following is a type of data connection able to transmit a digital signal at 1.544 Mpbs and is more expensive and reliable than cable or DSL?

Geographic 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.

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

National service providers (NSPs),private companies that own and maintain the worldwide backbone that supports the Internet.These include Sprint,Verizon,MCI (previously UUNet/WorldCom),AT&T,NTT,Level3,Century Link,and Cable & Wireless Worldwide.

Active RFID tags use a battery to run the microchip's circuitry,but communicate by drawing power from the RFID reader.

What 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?

_________________ is the science and art of making an illustrated map or chart.GIS allows users to interpret,analyze,and visualize data in different ways that reveal patterns and trends in the form of reports,charts,and maps.

Broadband over power line (BPL)technology makes possible high-speed Internet access over ordinary residential electrical lines and offers an alternative to DSL or high-speed cable modems.

Which of the below offers an example of a WAN?

NSPs are private companies that own and maintain the worldwide backbone that supports the Internet.Which of the below is not an NSP?

Instant access to customer profiles,account history,and current order status significantly improves the quality of interactions with customers,suppliers,and business partners.