Exam 6: Data Communication: Delivering Information Anywhere and Anytime

In the early days of computer technology,which system was justified because data-processing personnel were in short supply,hardware and software were expensive,and only large organizations could afford computers?

In which architecture is the application logic usually on the client side?

The _____ layer of the Open Systems Interconnection (OSI)model provides services that support users' tasks,such as file transfers,database access,and e-mail.

In the context of data communication,which of the following is true of e-collaboration?

A network _____ represents a network's physical layout.

The bus topology connects nodes along a network segment,with the ends connected in a manner similar to a ring topology.

Describe a mesh topology and its advantages.

Compared with a star topology,a hierarchical topology:

A _____ is a network operating on a radio frequency (RF),consisting of radio cells,each served by a fixed transmitter.

Describe the responsibilities of the Transport layer of the Open Systems Interconnection (OSI)model.

Discuss the various forms of sender and receiver devices.

Which statement is true of the types of client / server architectures?

A _____ is typically used to connect workstations and peripheral devices that are in close proximity.

List the three main components of a typical data communication system.

List the common applications of convergence.

Which layer of the Open Systems Interconnection (OSI)model specifies the electrical connections between computers and the transmission medium and is primarily concerned with transmitting binary data,or bits,over a communication network?

What do both Wireless LANs (WLANs)and Wireless WANs (WWANs)rely on as the communication medium?

Which problem is resolved by distributed processing?

A _____ is a collection of binary digits,including message data and control characters for formatting and transmitting,sent from computer to computer over a network.

The computers in a local area network (LAN)are usually connected to the network via a hardware component called a(n)_____.