Application Layer: End user processes like file transfer, e-mail, network software services. E.g. Telnet, FTP
Presentation/Syntax Layer: Format, Encrypt data to send across network.
Session Layer: Establishes, manages and terminates connections between applications .
Transport Layer: End-to-end error recovery, flow control.
Network Layer: Switching, Routing, Addressing, internetworking, error handling, congestion control and packet sequencing.
Data Link Layer: Encoding, decoding data packets into bits.
Media Access Control Sub-layer: Data access/transmit permissions.
Logical Link Sub-layer: Frame synchronization, flow control, error checking.
Physical Layer: Conveys the bit stream (electrical, light, radio)
E.g. Ethernet, RS232, ATM
An easy way to remember : use the following quotes
“All People Seem To Need Data Processing”
“People Do Not Trust Sales People Always”
this info is good but need more depth .Currently iam reading newtork plus and it’s good network + study giude fourth edition exam N10-003 by David Groth & Toby Skandier should pick this book up if your a student like me and or is more interested.
All pakis still taunt niggers despite police