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9 Cards in this Set
- Front
- Back
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Layer 1 Physical |
Physical medium, unstructured bits PDU:bits |
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Layer 2 Data link layer |
Link establishment Frame traffic control Frame sequencing transmits/recives layers sequencially Frame Acknowledgement Frame error checking Sends out data in frames Media access management: C/A , C/D PDU:Frames Vlans defined |
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Layer 3 Network |
Routing : routes frame amoung Network Subnet traffic control: Can instruct sending station to "throttle back" its frame transmissions when the routers buffer fills up. Logical-physical address mapping: Translates logical addresses or frames into physical addresses Subnet usage accounting: has accounting functions to keep frames fowarded by subnet intermidet system to produce billing information. PDU: Packets ICMP |
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Layer 4 Transport |
Message traffic control Session multiplexing PDU: Datagram |
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Layer 5 Session |
Session establishment and termination: allows two application processes on diffrenet machines to establish, use and terminate a connection called a session. Adv: protocols |
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Layer 6 Presentation |
Translator of network Data encryption |
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Layer 7 Application |
Application |
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802.11a,802.11g |
54mbps |
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802.11b |
11mbps |
