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in a telecommunications network architecture, a protocol is

a standard set of rules and procedures for control of communications in a network

bluetooth can be used to link up to ________ devices within a 10-meter area using low-power, radio based communication


which signal types are represented by a continuos waveform?


the child domain of the root is the

top-level domain

which of the following services enables logging on to one computer system and working on another?


digital subscriber lines

operate over existing telephone lines to carry voice, data, and video

what are the four layers of the TCP/IP reference model?

application, transport, internet, and network interface

T lines:

are high-speed, leased data lines providing gaurenteed service levels

IPv6 is being developed in order to:

create more IP addresses

which protocol is the internet based on?


the total amount of digital information that can be transmitted through any telecommunications medium is measured in:


the method of slicing digital messages into parcels, transmitting them along different communications paths, and reassembling them at their destinations is called

packet switching

the Wi-Fi 802.11a standard can transmit up to:

54 Mbps in the 5-GHz frequency range

which type of network treats all processors equally, and allows peripheral devices to be shared without going to a separate server?


To use the analog telephone system for sending digital data, you must also use:

a modern

One or more access points positioned on a ceiling, wall, or other strategic spot in a public place to provide maximum wireless coverage for a specific area are referred to as


Together, a protocol prefix, a domain name, a directory, and a document name, are called a

uniform resource locator

the most common web server today, controlling 46 percent of the market, is:

Apache HTTP Server

the process of employing techniques to help a web site achieve a higher ranking with the major search engines is called


all network components connect to a single hub in a ____________ topology


which of the following is not a characteristic of packet switching

packet switching requires point-to-point circuits

instant messaging is a type of_______ service


_______ works by using radio waves to communicate with radio antennas placed within adjacent geographic

cell phones

which organization helps define the overall structure of the internet?


what sevice converts IP addresses into more recognizable alphanumeric names?


passive RFID tags

have a range of several feet

In a bus network

signals are broadcast in both directions to the entire network

Which of the following statements is not true about search engines

there are hundreds of search engines vying for user attention, with no clear leader having yet emerged

Bandwidth is the:

difference between the highest and lowest frequencies that can be accommodated on a single channel

the device that acts as a connection point between computers and can filter and forward data to a specified destination is called a


the IEEE standard for the WiMax is

IEEE 802.16


is an encrypted private network configured within a public network

web browser software requests web pages from the internetusing which protocol


what technology allows people to have content pulled from web sites and fed automatically to their computers


based on your reading of the examples in the chapter, what would be the best use of RFID for a business?

Logging transactions

the telephone system is an example of a ________ network


the WiMax standard can transmit up to a distance of approximately

30 miles

in TCP/IP, IP is responsible for

disassembling and reassembling of packets during transmission

which type of network is used to connect digital devices within a half-mile or 500-meter radius?


the most common Ethernet topology is:


which of the following is the first generation of cellular systems suitable for wireless broadband internet access?



transmits over several frequencies

the most appropriate wireless networking standard for creating PANs is


the internet is based on which three key technologies?

client/server computing, packet switching, and the development of communications standards for linking networks and computers

the need in some cases for empoyees to have access to sexually explicit material on the internet, such as medical researchers, suggests that companies

need to base their internet use policies on the needs of the organization and culture

_______ integrate(s) disparate channels for voice communications, data communications, instant ,messaging, e-mail, and electronic conferencing into a single experience

unified communications

which type of network would be most appropriate for a business that comprised three employees and a manager located in the same office space, whose primary need is to share documents?

peer-to-peer network

A network that spans a city, and sometimes its major suburbs as well, is called a


in the domain name "", what are the root, top-level, second-level, and third-level domains, respectively?

".",com, blogging, myspace

a network that covers entire geographical regions is most commonly referred to as a

wide area network

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