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OSI Model

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biancat's version from 2015-10-19 12:53

Section 1

Question Answer
Layer 1Physical
Layer 2Data Link
Layer 3Network
Layer 4Transport
Layer 5Session
Layer 6Presentation
Layer 7Application
memorize

Section 2

 

Question Answer
Layer 1 Physicalcables, jacks, hubs, topologies, multiplexing, broadband vs baseband, serial data transfer - bits
Layer 2 Data LinkMAC address, network internet card - frames
Layer 3 NetworkIP, routers, IP switches, subnets - packets
Layer 4 TransportTCP, UDP - segments/messages
Layer 5 Sessionlogging on/off, name and address database for OS, NetBIOS is on this layer
Layer 6 Presentationdata encryption, chars code conversion, data compression, remote computing
Layer 7 ApplicationFTP, TelNet, end-user protocols
memorize

Section 2