CH 3 Section C

connection speed
The most common measurement of _______ is the amount of data that can be transmitted in a specified time. A measurement of capacity
bandwidth cap
the top speed allowed by your plan.
bandwidth throttling
During peak times, ISPs can place further limits on speed, a process called ______.
asymmetric connection
When Internet upload speed differs from download speed, you have an ________.
symmetric connection
When upload and download speeds are the same, you have a _______.
Ping
utility software designed to measure responsiveness.
Latency
the elapsed time for data to make a round-trip from point A to point B and back to point A.
Jitter
measures the variability of packet latency.
packet loss
data that never reaches its destination or gets discarded because it arrives too late to be of any use.
Traceroute
a network diagnostic tool that lists each router and server that your data encounters as it travels over the Internet.
fixed Internet access
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.
portable Internet access
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
mobile Internet access
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
cable
________ Internet service, which is offered by the same companies that supply cable television.
Dial- up
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.
voiceband modem
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
ISDN
divides a telephone line into two channels: one for data and one for voice.
DSL
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.
FTTH
use of high-capacity fiber-optic cables, rather than coaxial cables or twisted pair wires, to connect homes to broader municipal networks.
satellite Internet service
a means of distributing broadband asymmetric Internet access by broadcasting signals to a satellite.
mobile broadband service
cellular data plans
Tethering
connects wirelessly with other digital devices.
mobile hotspot
tether on to this to get internet connection.
Wi- Fi
hotspot- wireless local area network, usually operated by a business, that offers Internet access to the public.