a way to communicate with a remote compute over a network.
File Transfer Protocol
the electronic transfer of a file from one location to another.
Hypertext Transfer protocol
used by web browsers to request a file from a web browser. HTTP transfers one file at a time and only maintains the connection between client and server while the file is being transferred
Simple Mail Transfer Protocol
the TCP/IP standard protocol for transferring electronic mail messages from one machine to another. An email client will normally use SMTP to send outgoing mail.
Post Office Protocol
a protocol for client /server email operation. An email client connects to a mail server using POP in order to download mail.
Uniform Resource Locator
A URL contains the protocol used, the server domain name or IP address, and the path-name of the file.
the Internet's on-line mapping system which translates domain names into IP addresses.
The Application Layer
provides interfaces for network applications
The Presentation Layer
handles data format information
The Session layer
manages log-on and password authentication
The Transport layer
breaks up file into segment for transport over a network and guarantees that these segments are not lost
The Network layer
The data link layer
guarantees error free transmission
The Physical Layer
transmits bits over physical medium
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