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MIS 340 Chapter 10
vocabulary from the textbook
Question | Answer |
---|---|
autonomous system | a network operated by one organization, or an organization that runs one part of the Internet |
broadband technologies | means "analog transmission"; another name for DSL and cable modem technologies because they provide higher-speed communications than traditional modems |
cable modem | a digital service offered by cable television companies as an alternative to DSL |
DSL | "Digital Subscriber Line" a data link layer technology that provides high-speed communication over traditional telephone lines |
DSL modem | used to provide three channels: traditional voice, upstream (client to ISP), and downstream (ISP to client) |
hybrid fiber coax network | a cable network that uses both fiber-optic and coaxial cable |
ISP | "Internet Service Provider" offers connection to the Internet |
ISOC | "Internet Society" closest thing the Internet has to an owner; open-membership professional society |
line splitter | used to separate the traditional voice telephone transmission from the data transmissions; directs the telephone signals into the normal telephone system |
local ISP | tier 3 ISP ("Internet Service Provider") receive services from regional and national ISPs, and sells services to individuals |
MAE | "Metropolitan Area Exchange" smaller version of a NAP ("Network Access Point") and typically links regional ISPs whose networks come together in major cities |
national ISP | tier 1 ISP ("Internet Service Provider") connectswith other tier 1 ISPs aand exchanges data with them at NAPs ("Network Access Points"); sells services to regional and local ISPs |
NAP | "Network Access Point" an "intersection" on the Internet where many national and regional ISPs connect to exchange data |
OE converter | "Optical-Electrical Converter" coverts between the coaxial cable on the customer side and fiber-optic cable on the cable TV company side |
POP | "Point of Presence" the physical access location of an ISP ("Internet Service Provider") or voice or data communications carrier |
regional ISP | tier 2 ISP ("Internet Service Provider") relies on a national ISPs to transmit its messages to national ISPs in other countries; provides services to local ISPs |
RAS | "Remote Access Server" checks user ID and password to make sure caller is a valid customer |