Exam 6: Data Communication: Delivering Information Anywhere and Anytime

The most common n-tier architecture is the three-tier architecture.

In a (n)____________________ architecture,the presentation logic is always on the client,and the data management logic is on the server.

The ____________________ model is a seven-layer architecture for defining how data is transmitted from computer to computer in a network.

Describe the responsibilities of the transport layer of the OSI model.

In the context of mobile networking,the 3G network has increased the quality of Internet Telephony or Voice over Internet Protocol.

In ____ processing,each department has its own computer for performing processing tasks.

Describe the ring topology.

In the context of the technologies developed to improve the efficiency and quality of digital communications,____ divide(s)each channel into six time slots.

In the context of a communication medium,what is the difference between a point-to-point and a multipoint system?

The ____ layer of the OSI model serves as the window through which applications access network services.

Briefly describe the type of connection technology a cable modem uses and its typical speed.

Contrast the star topology with the ring topology.

In _____ data transmission,multiple pieces of data are sent simultaneously.

What are the advantages of distributed processing?

In a point-to-point system,several devices share the same medium simultaneously.

Provide several examples of how data communication systems can improve the flexibility of data collection and transmission?

Many cables are required for a star topology.

What is an intelligent terminal?

____ cables are thick cables that can be used for both data and voice transmissions.

The _____ layer of the OSI model formats message packets.