Exam 10: System Architecture

In contrast to a centralized system, a client/server design separates applications and data.

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

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

A ____ is an entrance to a multifunction Web site.

Examples of WiMAX devices include wireless keyboards, mice, printers, cell phone headsets, and digital cameras, among others. _________________________

A(n) ____________________ spans long distances and can connect LANs that are continents apart.

-A ____, such as that illustrated in the accompanying figure, has a central networking device that manages the network.

When a user accesses data on a LAN or WAN, the network is ____________________ because the user sees the data as if it were stored on his or her own workstation.

In the past, many companies had an installed base of data, called ____________________, which was difficult to access and transport to a client/server environment.

____ is the amount of data that can be transferred in a fixed time period.

Today, client/server architecture is the dominant form of systems design, using Internet protocols and network models.

When developing e-business systems, an in-house solution usually requires a ____ for a company that must adapt quickly in a dynamic e-commerce environment.

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

Many companies engage in a process called ____________________, the objective of which is to establish a company-wide strategy for using IT resources.

A disadvantage of a bus network is that ____.

Sasha's client is risk-averse and wants to leverage whatever the most popular LAN topology is - in order to be on the bandwagon with everyone else. In light of this, which of the following will Sasha recommend to this client?

Securing approvals from users throughout the design phase ensures that a systems analyst does not have the major task of obtaining approvals at the end, keeps users involved with the system's development, and gives feedback about whether or not the analyst is on target.

ERP (enterprise resource planning) defines a general architecture, omitting standards for data, processing, network, and user interface design.

If a system must operate online, 24 hours a day and seven days a week (typically known as ____________________), provision must be made for backup and speedy recovery in the event of system failure.

The middle layer provides the business logic required by the client-server system. _________________________