Typical examples of layer 4 are the Transmission Control Protocol (TCP) and User Datagram Protocol (UDP). The transport layer also provides the acknowledgement of the successful data transmission and sends the next data if no errors occurred. This means that the transport layer can keep track of the segments and retransmit those that fail. Another application layer function is file transfer. Were calling it 'OSI Layer 8,' and it represents human-to-human interactions - or, more simply, the ability of humans to communicate meaningfully with one another in the first place. FTP work at which layer of osi ftp i.e file. This layer provides application services for file transfers, e-mail, and other. ![]() Some protocols are state- and connection-oriented. The layer of the OSI model provides network services to processes in electronic mail and file transfer programs is application. ![]() ![]() The transport layer controls the reliability of a given link through flow control, segmentation and desegmentation, and error control. Layer 4 of the OSI Model: Transport Layer provides transparent transfer of data between end users, providing reliable data transfer services to the upper layers.
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