Exam 10: System Architecture

In a closed design,the remote user's keystrokes are transmitted from his or her terminal to the mainframe,which responds by sending screen output back to the user's screen.

Many companies had an installed base of data,called _____,which was difficult to access and transport to a client/server environment.

A _____ follows Internet design protocols and enables a company to integrate new applications into its e-commerce strategy.

A device called a proxy server provides Internet connectivity for internal LAN users.

Company-wide systems that connect one or more local area networks (LANs)or wide area networks (WANs)are called _____.

In addition to centralized data processing,the earliest systems performed all data input and output at a central location,often called a _____.

Even if a user's Internet connection becomes unavailable,the user will still be able to access certain cloud-based services.

When an individual user works in _____,the workstation performs all the functions of a server by storing,accessing,and processing data as well as providing a user interface.

At the center of a star network is the _____,which manages the network and acts as a communications conduit for all network traffic.

The _____ describes how data actually moves from an application on one computer to an application on another networked computer.

A _____ resembles a group of computers in which data flows in only one direction from one device to the next.

In a typical system design specification,the _____ section contains the complete design for a new system,including the user interface,outputs,inputs,files,databases,and network specifications.

Most companies resolved the problems of stand-alone computing by joining clients into a _____ that allows sharing of data and hardware resources.

Batch processing means that data is managed in groups or batches.

Security is especially important when data or processing is performed at a centralized facility,rather than at remote locations.

The system design specification is a document that presents the complete design for a new information system,along with _____ for completing the next SDLC phase - systems implementation.

In a typical client/server system,the server handles the entire user interface,including data entry,data query,and screen presentation logic.

By the time the final design presentation is delivered,all necessary approvals should have been obtained from prior presentations,and the users and IT department should be onboard.

A router is a device that connects network segments,determines the most efficient data path,and guides the flow of data.

A form of wireless transmission called _____ is very popular for short-distance wireless communication that does not require high power.