OSI models/ layers Flashcards
What is is layer 1 of the OSI model?
Physical:Defines all the electrical and physical specifications for devices
What is is layer 2 of the OSI model?
Data Link: Provides physical addressing and media access procedures
What is is layer 3 of the OSI model?
Network: Responsible for logical addressing and the domain of routing.
What is is layer 4 of the OSI model?
Transport:Provides reliable transport and flow control across a network.
What is is layer 5 of the OSI model?
Session: Establishes, manages and terminates the connections between the local and remote application.
Log On and Log Off
What is is layer 6 of the OSI model?
Presentation: Transforms data formats to provide a standard interface for the application layer. Compression, Encryption.
What is is layer 7 of the OSI model?
Application: Responsible for network services to applications.
What is included in the the physical layer of the OSI model?
Anything physcial: Cables, network cards, Hubs, patch panels.
What is included in the Data link layer of the OSI model?
MAC address, Switch, WAPS, Bridges.
What is in the network layer of the OSI model?
IP, Router, Layer 3 Switch, DHCP, Packet, RIP
what is in the transport later of the OSI model
TCP, UDP, VOiP, Firewall
What is in the session layer pf the OSI model?
DNS, Segment, Logon, Logoff
What is in the presentation layer of the OSI model?
Data, JPED, .DOC, ASCII, Web pages. Compression, Encryption
WHat is in the application layer of the OSI model?
HTTP, FTP, SMTP, Applications, Web browsers, Telnet, HTTPS, EMail
