Why was the OSI model developed?

The ........... model shows how the network functions of a computer ought to be organized.

The physical layer is concerned with the movement of ............. over the physical medium.

The OSI model consists of layers.

In the OSI model, as a data packet moves from the lower to the upper layers, headers are ............

In the OSI model, when data is transmitted from device A to device B, the header from A's layer 5 is read by B's .............layer.

In the OSI model, what is the main function of the transport layer?

In the OSI model, encryption and decryption are functions of the ............ layer.

When a host on network A sends a message to a host on network B, which address does the router look at?

To deliver a message to the correct application program running on a host, the ............ address must be consulted.