| A | B |
|---|
| Internet | a network of networks countries around the world |
| point of presence (POP) | between an ISP and a home-based LAN |
| Internet backbone | group of high-speed data links that interconnect ISPs |
| ISR | A device that can act as a router, switch, and wireless access point |
| business class ISP service | fast connections, extra web space, additional e-mail accounts |
| asymmetric Internet service | load speeds and download speeds are different |
| three elements required to connect to the internet | IP address, a network connection, access to an Interent service provider |
| hop | router through which a packet travels when moving between source and destination networks |
| tracert | the net path to a destination |
| digital subscriber line technology | end-user connectivity requires that an ISP have a DSLAM device in their network |
| fiber | Cable made of glass used for backbone of networks |
| cable lengths, connector type, pinouts, | three commonly followed standards for constructing and installing cabling |
| UTP cabling | coppy cable used in homes and small offices |
| crossover | uses T568A on one end of the cable and T568B on the other end of the same cable |
| RJ-45 | connector used to terminate Ethernet unshielded twisted pair (UTP) cabling |
| copper patch panels | uses RJ-45 jacks and allows quick rearrangements of network connections |
| cable management | aids in isolation of cabling problems, and protects cables from physical damage |
| signal degradation | caused by having improper termination, and using low quality cables or connectors |
| UTP | unshielded twisted pair |
| straight-through | the order of connections for each color is the exact same on both ends |
