Networking Layers Quiz

The _______ layer ensures end-to-end reliable data transmission.

• network

• physical

• data link

• transport

_______ addresses on headers change as a packet moves from network to network but the _______ do not.

• Logical; port

• Logical; network

• Logical; physical

• Physical; logical

The _______ layer lies between the network layer and the session layer.

• physical

• data link

• transport

• application

The _______ layer is responsible for source-to-destination delivery of the entire message.

• physical

• data link

• transport

• network

The _______ layer may create a connection (a single logical path between the source and destination that is associated with all the packets of a message) between two end ports.

• physical

• data link

• transport

• network

A _______ address identifies a process running on a computer.

• logical

• physical

• network

• service-point

The header added by the transport layer to the packet coming from the upper layer includes the _______ address.

• logical

• service-point

• physical

• network

Segmentation and reassembly are functions of the _______ layer.

• physical

• data link

• transport

• network

In a connection-oriented exchange the first phase is _______ between the transport layers of the source and destination.

• connection establishment

• the exchange of data packets

• connection termination

• none of the above

In a connection-oriented exchange the last phase after all the data packets are transferred is _______.

• connection establishment

• flow control

• connection termination

• none of the above