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25 Cards in this Set
- Front
- Back
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When a line is capable of carring multiple transmissions simultaneously it is said to be broadband
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True
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Optical fibers can carry signals over relatively shorter or longer distances compared to other media
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Longer
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A peer to peer LAN is one in which no central device controls communications
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True
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The process of associating a character-based name such as course.com with a IP address is called domain name sresolution and the domain name resolution service DNS (Domain Name System)
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True
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A direct link to a wireless router or AP creates a hotspot
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True
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Worldwide Interoperablility for Microwave Access (WiMAX) functions similarly to cell phone communication because it controls communication from stationary towers
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False
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The bit rates of DSL lines usually have no relation to the distance of the subscriber's computer from the regional cetral office of the telephone company
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False
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Usually, utility companies partner with telecommunications companies to provide Broadband over Power Lines
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True
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Businesses use ___ to save travel cost and lodging, car fleets and the time of highly salaried employees whether they work in different organization or at different site of the same organization
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videoconferencing
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Dail-up connections through regular phone lines and Ethernet computer network connections are examples of ___
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baseband
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___ is a popular medium for connecting computers and networking devices because it is relatively flexible, reliable and low cost
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Twisted pair cable
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___ are high-frequency radio waves that can carry signals over long distances with high accuracy
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Microwaves
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___ span a greater than LANs and usually have more complicated networking equipment for midrange communications
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MANs (metropolitan area network)
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___ fulfill organizational needs for reliable data communications while relieving the organization of the burden of providing its own network management and maintenance
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VANs
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LAN ___ have become a common device in offices and households
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routers
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A ____ is a group of bits transmitte together
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packet
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The most important and pervasive set of protocols for telecommunications and networks today is called
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TCP/IP
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___ is known as a contention-based protocol, because devices on the network contend with other devices on the network for transmission time
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Ethernet
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Named after a Scandinavian king who unified many tribes, the _____ standard was developed for devices that communicated with each other within a short range of up to 10 meter (33 feet) in the office, t home and in motor vehicle
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Bluetooth
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The purpose of ____ is to provide mobile communication that is compatible with IP services
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MBWA
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The proliferationof high speed connection service also called ___ is mainly the result of businesses' and individuals rush to the internet
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Broadband services
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With _____ data remains digital throughout the entire transmission.
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DSL (digital subscriber lines)
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An alternative for households and small businesses that cannot obtain cable or DSL connection to the Internet is ____
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fixed wireless
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Some experts see the future of telephony in a convergence of the cell phone and ___
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VoIP phone
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A portable digital music and video player can use ______ to communicate with your PC or another device (possibly another music/video player to download files
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Wi-Fi
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