Network review

A data communications system has …......….. main components

………....…… is a set of rules that both the sender and receiver and all intermediate devices need to follow to be able to communicate effectively.

In simplex mode, the communication is:

In ……….. topology, every device has a dedicated point-to-point link to every other device.

………….. created and run by communication companies and leased by an organization that uses it.

in ………….. a dedicated connection, is always available between the two end systems.

TCP/IP protocol has:

The data send in the network layer called:

The address in Datalink layer is:

in the OSI model, ………… layer carries out flow control, sending data at a rate that matches the connection speed of the receiving device, and error control, checking if data was received incorrectly and if not, requesting it again.