CH 3 Section C
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The most common measurement of _______ is the amount of data that can be transmitted in a specified time. A measurement of capacity
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connection speed
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the top speed allowed by your plan.
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bandwidth cap
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During peak times, ISPs can place further limits on speed, a process called ______.
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bandwidth throttling
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When Internet upload speed differs from download speed, you have an ________.
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asymmetric connection
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When upload and download speeds are the same, you have a _______.
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symmetric connection
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utility software designed to measure responsiveness.
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Ping
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the elapsed time for data to make a round-trip from point A to point B and back to point A.
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Latency
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measures the variability of packet latency.
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Jitter
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data that never reaches its destination or gets discarded because it arrives too late to be of any use.
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packet loss
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a network diagnostic tool that lists each router and server that your data encounters as it travels over the Internet.
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Traceroute
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links your computer to an ISP from a stationary point, such as a wall socket or roof-mounted antenna. This service is dependable and relatively cost effective. You can't take it with you, so when you're away from home, you must depend on public access points.
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fixed Internet access
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allows you to easily move your access device, as in the case of vehicle-mounted satellite dishes that can be deployed when the vehicle is parked. This service is primarily used in situations where mobile and fixed access are not available
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portable Internet access
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allows you to easily move your access device, as in the case of vehicle-mounted satellite dishes that can be deployed when the vehicle is parked. This service is primarily used in situations where mobile and fixed access are not available
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mobile Internet access
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________ Internet service, which is offered by the same companies that supply cable television.
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cable
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a fixed Internet connection that uses a voiceband modem and the telephone company's circuit-switched network to transport data between your computer and your ISP.
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Dial- up
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Converts digital signals from a computer into audible analog signals that can travel over telephone lines. Digital to analog for outgoing signals, and analog to digital for incoming signals
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voiceband modem
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divides a telephone line into two channels: one for data and one for voice.
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ISDN
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is a high-speed, digital, always-on, Internet access technology that runs over standard phone lines. It is best known as the technology offered by AT&T's U-verse service.
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DSL
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use of high-capacity fiber-optic cables, rather than coaxial cables or twisted pair wires, to connect homes to broader municipal networks.
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FTTH
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a means of distributing broadband asymmetric Internet access by broadcasting signals to a satellite.
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satellite Internet service
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cellular data plans
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mobile broadband service
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connects wirelessly with other digital devices.
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Tethering
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tether on to this to get internet connection.
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mobile hotspot
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hotspot- wireless local area network, usually operated by a business, that offers Internet access to the public.
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Wi- Fi
