Exam 9: Computer Networks

​The OSI model predates the TCP/IP model by almost a decade.

At the sending node, the ____ layer's role is to translate IP datagrams into a format that can be transported and forwarded over a specific physical network.

​Nodes sharing a common transmission medium follow a(n) ____________________ protocol to determine how to share the medium efficiently.

​RARP converts IP addresses to physical network addresses.

​In CSMA/CA, a node that wants to transmit sends a(n) ____________________ signal.

​To date, most WiMAX adoption has occurred in urban areas.

​If multiple nodes attempt to transmit across the same medium at the same time, their messages mix, producing noise or interference that's called a ____.

​____________________ embeds all or part of a datagram in a physical network's message format.

​Like a hub, a(n) ____________________ generally has a dozen or more input connections for computers and other network nodes.

​What are the call management functions that VoIP must perform.

​IP is an example of a(n) ____________________ protocol, in which the sender doesn't attempt to verify a recipient's existence or ask its permission before sending data.

​An end node is a device such as a workstation, server, or printer that can be the source or destination of a message.

The written format of 128-bit IP addresses is called ____ notation.

​Describe the application layer of the TCP/IP model.

The oldest and most widely used VoIP protocol suite is ____.