Exam 1: What Is a Computer Network

The high collision rate of an Ethernet system with a lot of communication taking place is eliminated in a token-ring network.

All nodes in a bus network are connected to the same communication link.

Token-ring frames are similar to Ethernet frames in that both contain ____ addresses.

In ____,phase transitions are used to represent the digital data.

Describe the Session Layer of the OSI model.

In the Physical Layer,the encoding technique,the type of connector used,and the data rate,all of which are physical properties,are established.

The ____ of a computer network is the way the individual computers or devices are connected.

The ____ reference model defines seven layers required to establish reliable communication between two nodes.

Describe how data is represented when a digital medium is used.

Each device connected to the 10base2 Ethernet must contain a ____ that provides the electronic connection between the device and the coaxial cable commonly used to connect nodes.