TCP/IP（）layer protocols provide services to the application（）running on a computer. The application layer does not define the application itself， but rather it defines （）that applications need—like the ability to transfer a file in the case of HTTP. In short， the application layer provides an（）between software running on a computer and the network itself. The TCP/IP application layer includes a relatively large number of protocols， with HTTP being only one of those. The TCP/IP（）layer consists of two main protocol options—the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).