Exam 1: What Is a Computer Network

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

When every device on the Ethernet LAN receives data from one device, it is called ____.

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

Pulling copper wire, or even fiber, throughout a building may be the least expensive solution for a network.

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.

Describe how data is represented when an analog medium is used.

Just throwing 1s and 0s onto a communication link is enough to establish coherent communication between two nodes in a network.

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

The ____________________ connection scheme puts the nodes into a circular communication path.

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

The application program interfaces directly with the operating system to perform all network related activities by using a(n) ___________________________________.

When two or more devices attempt to transmit data at the same time, this is called a(n) ____________________.

The _____ Layer is responsible for routing protocol-specific packets to their proper destination using logical IP addressing.

Describe the Session Layer of the OSI model.

The format in which Ethernet transmits data is called a ____.

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 Ethernet device has its own unique ____.

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