Network Hardware
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Created by:
travisbloom on October 18, 2011
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12 terms
Terms | Definitions |
|---|---|
 Repeaters opperate on level | 1 |
| Hubs operate on level | 1 Ethernet in a box |
| Bridge operates on layer | 2 |
| Why are bridges necessary | only one computer in a segment can talk at a time Bridge breaks LAN into segments so they can talk interdependently (unless talking across bridge) |
| Switches differ from Hubs in that | different stations can transmit simultaneously Subdivides network into smaller peices (works on level 2) Each port acts like a bridge, each device has its own channel |
| Switch in Cut-Through Mode | read frames header and decides where to forward before entire packet is recieved -faster -less secure |
| Switch in Sort and forward Mode | reads entire data fram into memory then checks accuracy prior to transmitting |
| All routers can | connect dissimilar networks interpret layer 3 addressing determine best path for data reroute traffic |
| Routers cordinate by | exchangiing info about the status of the network |
| RIP | routing information protocol router broadcasts routing table frequently -ineffective for large networks |
| OSPF: Link State Protocol | open shortest path first weights paths and finds quicklest link |
| OSPF ROuters | only talk to neighbors instead of broadcasting only broadcast changes |
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