B
Bandwidth | The range of frequencies available across a com- |
| munications channel; in one sense, the ize” of |
| the communications channel. |
BOOTP | The BOOTstrap Protocol, a method network de- |
| vices can use to obtain TCP/IP configuration |
| information from a central location on startup. |
Bridge | A LAN device used to connect two different |
| LANs so that packets can be transmitted from one |
| to the other. A bridge works on a low level, and |
| does not take |
| eration. In this document and the hub |
| management software, switching modules are |
| most often referred to as bridges. |
C |
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Cascading | The practice of connecting identical or similar |
| LAN devices such as hubs together directly so |
| that they function as one device. A collection of |
| cascaded devices is often called a stack. |
Category 3, 4, 5 | Communication cabling standards referring to the |
| quality of the transmission medium and whether |
| or not the cable includes transmission leakage |
| shielding. |
Collision | Simultaneous data transmission on a network me- |
| dium, resulting in a garbled (and unreadable) |
| transmission. See SMA/CD.” |
Collision Domain | A section of a network isolated from other sec- |
| tions by a switch, bridge, or hub that detects and |
| resolves collisions locally so that there is less im- |
| pact on the entire network. |
124 | Glossary |
