Exam 6: Data Communication: Delivering Information Anywhere and Anytime

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

Which of the following is an important application of data communication systems for managers to contact decision makers located throughout the world?

_____ is a high-speed carrier service that uses ordinary phone lines to send and receive data.

Identify a true statement about the types of client / server architecture.

In _____ data transmission,multiple pieces of data are sent simultaneously to increase the transmission rate.

In _________ routing,one node is in charge of selecting the path for all packets.

A ring topology needs more cables to connect the nodes within a network than a star topology.

A(n)_____ cable is used to connect computers,hubs,switches,and routers to a network.

Terrestrial microwave systems use radio control transmitters and receivers for transmitting data.

What are the disadvantages of centralized routing? Provide an example.

In the context of communication media,_________ media provide a physical path along which signals are transmitted,including twisted pair copper cable,coaxial cable,and fiber optics.

Communication media that use an antenna for transmitting data through air or water are called _________ media.

_________ is a voice-grade transmission channel capable of transmitting a maximum of 56,000 bps,so only a limited amount of information can be transferred in a specific period of time.

Distributed processing maintains decentralized control and centralized operations.

In the _________ architecture,the application logic is usually on the client side.

Describe a router.

_____ is responsible for packet forwarding.

Data transfer rates of local area networks (LANs)are typically below 100 Mbps.

Explain the advantages of distributed processing.

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