● TCP/IP  （71）  layer protocols provide services to the application  （72）  running ona computer. The application layer does not define the application itself, but rather it defines（73）  that applications need — like the ability to transfer a file in the case of HTTP. In short,the application layer provides an  （74）  between software running on a computer and thenetwork itself. The TCP/IP application layer includes a relatively large number of protocols,with HTTP being only one of those. The TCP/IP  （75）  layer consists of two main protocoloptions — the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP).