A port address in TCP/IP is ........... bits long.

The ............ created a model called the Open Systems Interconnection, which allows diverse systems to communicate.

The seven-layer ............ model provides guidelines for the development of universally compatible networking protocols.

Physical, data link, and network layers are the ........... support layers.

The session, presentation, and application layers are the .......... support layers.

The ............. layer links the network support layers and the user support layers.

The ........... layer coordinates the functions required to transmit a bit stream over a physical medium.

The ............. layer is responsible for delivering data units from one station to the next without errors.

The .............. layer is responsible for the source-to-destination delivery of a packet across multiple network links.

The ........... layer is responsible for the process-toprocess delivery of the entire message.