| A | B |
|---|
| Network Types | Peer-to-Peer, Client-Server, Centralized Computing |
| Peer-to-Peer | All computers share equally, there is no server needed, inexpensive |
| Client-Server | One or more servers, good secruity, can share printers |
| Centralized Computing | Uses a powerful, expensive server, requires specialized, custom software |
| LAN | small area, owned and operated by a single individual or group. Local Area Network |
| WAN | Large area, slower than LANs. Wide Area Network |
| Half duplex | data is sent in both directions, with only one direction |
| Full duplex | Data can be transmitted and received at the same time. Like a phone. |
| Protocol | A common language or set of rules by which computers communicatge across a network. |
| Protocols | TCP/IP, IPX, NetBEUI, AppleTalk |
| IP Address | The way computers are found or indentified on the network |
| Subnet Mask | Used to direct traffic to the correct network and host. |
| OSI Model | Useful in networking for making it easier to understand. Open Systems Interconnect |
| Layers of OSI | Physical, Data LInk, Network, Transport, Session, Presentation, Application. |
| Cabling Types | Twisted Pair, Coaxial, Fiber Optic, USB, FireWire |
| UTP | The most popular network cable in use today, low cost and eases of installation. |
| Internet | The larges computer network. |
| VoIP | Voice over IP |
| ISP | Internet Service Provider |
| DUN | Dial up Networking |
| DSL | Digital Subscriber Line |
| NIC | A piece of computer hardware designed to allow computers to communicate over a network. |
| MAC Address | Unique 48-bit serial number that every computer must have. |
| PING | Command used to check connections of your internet. |
| Network Status Indicator | The lights on the computer that shows the actual communication between computers. |
| Green Indicator Light | The NIC is working. |
| Amber Indicator Light | Transmitting |
| Red Indicator Light | Not working |
| Tracet | Used to see a network packet being sent and received and the number of hops or connections required to get to its destination |
