14298147
Descrição
FlashCards por Edvin Milkunic, atualizado more than 1 year ago
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Criado por Edvin Milkunic
mais de 6 anos atrás
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| Questão | Responda |
| OSI Model | A model for understanding and developing computer-to-computer communication, it divides networking functions among seven layers: 1.Physical, 2.Data Link, 3.Network, 4.Transport, 5.Session, 6.Presentation, and 7.Application. |
| Layer 1 | Physical layer - responsible for taking 1s and 0s and encoding them into a digital signal for transmission on the network segment. - Hubs and repeaters see only bits |
| Layer 2 | Data Link - provides framing and placing of data on the network medium. - switches and bridges understand and make decisions based on Layer 2 addresses |
| Layer 3 | Network Layer - Provides logical network addressing and routing through an internetwork - Routers deal with Layer 3 addresses |
| Layer 4 | Transport Layer - Provides segmentation, sequencing, and virtual circuits. |
| Layer 5 | Session Layer - upper layer - responsible for communicating from a user interface to an application |
| Layer 6 | Presentation |
| Layer 7 | Application |
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