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Chapter 16 Terms
Operating System
Term | Definition |
---|---|
PAN | Consists of personal devices communicating at close range such as a cell phone and notebook computer |
LAN | covers a small local area such as a home or office |
WLAN | like a LAN but wireless |
MAN | covers a large area like a campus or a city |
WAN | covers a large geographical area and is made up of many smaller networks |
Mesh Network | a computer or other device connected to a network |
Ad Hoc Mode | each wireless device serves as there own wireless access point |
Fully Connected Mesh Topology | when each node connects to every node on the network |
Ring Network | nodes from a ring |
Bus Network | a really old topology and where all computers are connected in a sequential line |
Star Network | uses a centralized device to manage traffic on the network |
Hybrid Network | when a star network uses multiple switches in sequence |
ISP | a company that provides you with internet |
Bandwidth | the number of bits that can be transmitted over a network at a time |
Data Throughput | the average of the actual speed |
Latency | delays in network transmissions |
ISDN | an outdated business use access to an isp over dial up phone lines |
Cable Internet | a broadband technology that uses cable tv lines |
DSL | a group of broadband technologies that covers a wide range of speeds |
Line Of Sight Connectivity | a disadvantage of of satellite |
Fiber Optic | a broadband technology |
Fiber Optic Cable | Televisions,internet data, and voice communications all share the same broadband cable |
Cellular Network | consists of cells and is used for mobile phones to communicate |
GSM | open standard that uses digital communication of data and is accepted and used worldwide |
SIM | card that contains a microchip that holds data and is accepted and used worldwide |
CDMA | cdma networks do not require a sim card and have been growing in popularity over the years |
4G | the fastest cellular network |
Network Adapter | a way to make a direct connection to a local wired network |
NIC | gives the ability to use a network adapter |
Full Duplex | sends and receives transmissions at the same time |
Half Duplex | works in only one direction at the same time |
POE | a feature that might be available on high end wired network adapters |
RJ-11 Jacks | modem cards in a desktop computer |
Twisted Pair Cabeling | uses pair of wires to reduce crosstalk |
Hub | transmits frames of data to every device |
Switch | is smarter and more efficient than a hub |
Bridge | a device that stands between two segments of a network and manages network traffic |
NAS | provides 4 bays and a hard drive |
VoIP | manages voice communication over the internet |
VoIP Phone | connects directly to a network by way of ethernet |
Internet Appliance | a type of thin client that is designed to make it easy for a user to connect to the iternet |
BNC Connector | a coaxial cable uses this |
UTP | used to make ethernet cords |
STP | shielded twisted pair |
Cat-3 | less expensive |
CAT-5 | more popular than cat-3 |
Enhanced CAT-5 | more advanced than cat 5 |
CAT-6 | has less crosstalk |
CAT-6a | thicker than CAT-6 |
Coaxial Cable | has a single copper wire down the middle |
RG-6 Coaxial Cable | is used for cable Tv |
RG-59 Coaxial Cable | once used for cable Tv |
F Connector | used for a RG-6 cable |
Fiber Optic Cable | transmits signals as pulses of light over glass or plastic strands |
ST Connectors | an older connector model |
SC Connectors | an older connector model |
LC Connector | local connector |
MT-RJ Connector | mechanical transfer registered jack |
!00BaseT | improved version of ethernet |
Fast Etehrnet | Improved version of ethernet |
Gigabit Ethernet | the most popular choice for LAN technology |
Loopback Plug | used to test a network connection |
Cable Tester | used to test a cable |
Network Multimeter | can be used to test cables |
Toner Probe | used to find cables in walls |
Tone Probe | also called a toner probe |
Wire Stripper | used to build your own netwrok cable |
Crimper | used to secure cable in end piece |
Punch Down Tool | impact tool |
Keystone -RJ-45 Jack | used in wall jacks |
Straight Through Cable | used to connect a computer to a network |
Patch Cable | also called the straight through cable |
Crossover Cable | used to connect a computer to a netowork |