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5 Cards in this Set
- Front
- Back
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What are LANs
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Local-area networks (LANs) LANs enabled multiple users in a relatively small geographical area to exchange files and messages, as well as access shared resources such as file servers and printers.
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Name the 7 Layers of the OSI Model
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Layer 7—Application
Layer 6—Presentation Layer 5—Session Layer 4—Transport All People Seem To Need Data Processing Layer 3—Network Layer 2—Data link Layer 1—Physical |
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What are the 2 layers is the OSI model divided into?
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Application(upper) and Data Transport(Lower)
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What are WANs
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Wide-area networks (WANs) interconnect LANs with geographically dispersed users to create connectivity. Some of the technologies used for connecting LANs include T1, T3, ATM, ISDN, ADSL, Frame Relay, radio links, and others. New methods of connecting dispersed LANs are appearing everyday.
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4 Types of Protocols
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LANs - operate in the Data Link & Physical Layers and define comm between LAN media
WANs - operate at the lowest three layers of the OSI model and define communication over the various wide-area media. ROUTING - protocols are network layer protocols that are responsible for exchanging information between routers so that the routers can select the proper path for network traffic. NETWORK protocols are the various upper-layer protocols that exist in a given protocol suite. |
