Term
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Definition
Application Layer "End User Layer" Protocols - DCHP, DNS, FTP, HTTP, IMAP4, NNTP, POP3, SMTP, SNMP, SSH, TELNET, NTP
Examples- Network Management, Directory Services, Remote File Access, Resource Sharing |
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Term
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Definition
Presentation Layer "Syntax Layer" Protocols - SSL, WEP, WPA, Kerberos, MIME, XDR
Example - Data Encryption, Data Compression, Character Code translation
Device- Firewall |
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Term
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Definition
Session Layer " Synch & send to ports"
Protocols - NetBios, SAP, PPTP, RTP, SOCKS, SPDY, TLS/SSL
Example - Session establishment, maintenance, and termination
Session support, perform security, name recognition, logging etc. |
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Term
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Definition
Transport Layer (TCP host to host, flow control)
Protocols - TCP, UDP, SCTP, DCCP, SPX
Example- Message Segmentation, Message Traffic, Message Acknowledgement, Session Multiplexing |
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Term
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Definition
Network Layer "Packets, Message, IP Address"
Protocols - IPv4, IPv6, IPX, Apple Talk, OSPF, ICMP, IGMP, and ARPMP
Example - Routing, Subnet Traffic, Frame Fragmentation, Logical-Physical Address Mapping, Subnet Usage |
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Term
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Definition
Data-Link Layer "(Frames) [envelopes], contains Mac Address"
Protocols - 802.11(WLAN), Wi-Fi, WiMax, ATM, Ethernet, Token ring, Frame Relay, PPTP, L2TP, ISDN-ore
Examples - Establishment and terminates the logical link nodes, Frame Traffic Control, Frame Sequencing, Frame Acknowledgement, Media Access Control, Frame Error |
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Term
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Definition
Physical Layer "Physical structure Cables"
Protocols - Hubs, Repeaters, Cable, Optical Fiber, SONET/SDN, Coaxial Cable, Pair Cables and Connectors
Examples - Data Encoding, Baseband vs Broadband, Physical Medium transmission Bits & Volts |
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