osi layer 7. above presentation layer. all application specific. provides services for file transfers, email, and other network software service. basically, the desktop.
osi layer 7. above presentation layer. all application specific. provides services for file transfers, email, and other network software service. basically, the desktop.
the layer that provides a wide variety of applications with the ability to access the services of the lower network layers  protocols: dns, dhcp, smtp/imap, http, rtsp