ISQS 2340 Test 2 Review

A record represents a collection of _______ that describe an entity.

attributes

As described in the text, knowledge management focuses on:

acquiring and retaining profitable customers via delivery of timely products

Moving from mainframe-based legacy systems to integrated, cross-functional client/serve applications typically involves installing _____ software

all of the choices are correct

Operational databases store the detailed data need to support the business processes and operations of a company. They are also called _______.

all of the choices are correct

Which of the following is a legitimate use for data mining?

all of the choices are correct

"Bandwidth" is typically measured in characters per second (CPS).

false

Accounting information systems are among the newest, yet are the most widely used information systems in business.

false

Distribution and manufacturing are considered front office systems; customer service and sales order entry are back office systems.

false

Each IP address is divided into three address classes, which are A, B, and C. Class C addresses are normally owned by large Internet service providers or major corporations.

false

IP addressing can identify a particular PC connected to the Internet, but not the network to which it is attached.

false

Intranets seldom have much impact on communication and collaboration within an enterprise.

false

PCS phone systems cost substantially more to operate and use than cellular systems, but have lower power consumption requirements.

false

Relational databases are more difficult for programmers to work with and more difficult to maintain than the hierarchical and network models.

false

Variable-length records contain a variable number of fields with fixed field lengths.

false

The tables in a relational database are flat files which have rows and columns. Each column represents a ______ in the file.

field

EAI software can inter great ______ and ______ applications so they work together in a seamless, integrated way.

front-office and back-office

In the relational database model, all data elements within the database are viewed as being stored in the form of simple two-dimensional tables, sometimes referred to as _______.

relations

A network configuration that consists of a central computer system with a number of smaller computers tied directly to it, but not to each other, is a _____ network.

star

In a traditional file processing approach, each business application is designed to use one or more specialized data files containing only specific types of data records.

true

The internet uses a system of telecommunications protocols that have become so widely used that they are now accepted as a network architecture.

true

Transaction processing systems play a vital role in supporting the operations of an e-business enterprise.

true

Transaction processing systems update the cop orate databases of an organization to reflect changes resulting from day-to-day business transactions.

true

Wi-Fi is faster and less expensive than Standard Ethernet and other common wire-based LAN technologies.

true

Companies can create private secure internet links between themselves, called ____ private networks.

virtual (VPN)

A network with 100 nodes has 9,000 possible connections. A network with 1,000 nodes has _____ possible connections.

999,000

ISPs are connected to one another through network _____.

access points

The terms analog and ____ refer to the methods used to convert information into an electrical signal so that it can be transmitted or processed.

digital

Many end users have trouble correctly phrasing database language search queries, so most end-user DMBS packages now offer _____ methods.

GUI

The first part of an internet address identifies the network on which the host resides, while the second part identifies the particular _____ on the given network.

IP (internet protocol)

All the following describe a VPN except:

a VPN is available for use by anyone with access to the internet

Most Linux distributions are released via BitTorrent to help with _____ needs.

bandwidth

An internetworking unit that connects networks based on different protocols is a ______.

bridge

Enterprise application integration (EAI) software enables users to model the business processes and interactions that should occur between:

business applications

Open systems provide greater _____. That is, the ability of networked computers and other devices to easily access and communicate with each other and share information.

connectivity

In a telecommunications network, a gateway is a communications processor that:

connects two LANS based on the same network standards or protocols

Which of the following applications focuses on acquiring and retaining profitable customers via marketing, sales, and service processes?

customer relationship management

The primary challenge of a distributed database is:

data accuracy

A database of data definitions and specifications is called a metadata repository, or a _____.

data dictionary

All of the following contribute to problems when using a file management approach except.

data independence

In ______, the data in a data warehouse are analyzed to reveal hidden patterns and trends in historical business activity.

data mining

A central source of data that have been cleaned, transformed, and cataloged so that stye can be used for business analysis, market research, and decision support is called a _____.

data warehouse

To solve the problems encountered with the file processing approach, the ____ management approach was conceived. It is the foundation of modern methods of managing organizational data.

database

Large organizations usually place control of enterprise-wide database development in the hands of _____.

database administrations (DBAs)

______ is defined as the use of the internet and other networks and information technologies to support electronic commerce, enterprise communication and collaboration, and Web-enables business processors, both within a networked enterprise and with customers and business partners.

electronic business

Which of the following applications focuses on the efficiency of a firm's internal production, distribution, and financial processes?

enterprise resource planning

In telecommunications networks, twisted-pair wire:

is used for both voice and data transmission

______ information systems support the production/operations function that includes all activities concerned with the planning and control of the processes producing goods and services.

manufacturing

A weakness in the hierarchical model is that it cannot handle ____ data relationships.

many-to-many

______ are the most common type of communication processor.

modems

_______ databases have become the most popular structure for analytical databases that support online analytical process (OLAP) applications, in which fast answers to complex queries are expected.

multidimensional

In an OSI model, the ______ layer does the routing and forwarding.

network

Which database model allows many-to-many relationships among records so that a data element can be accessed by following one of several paths?

network

Transaction processing system process date in two basic ways: _____ and ______.

online/real-time processing, batch processing

Instead of focusing on the information processing requirements of business functions, enterprise software focuses on supporting integrated clusters of business ______ involved in the operations of a business.

processes

Online transaction processing is considered a _____ system because it captures and processes transaction immediately.

real time

The tables in a relational database are flat files which have rows and columns. Each row represents a ______ in the file.

record

Which of the following applications focuses on developing the most efficient and effective sourcing and procurement processes?

supply chain management

A group of related records is a data file, or a _____

table

Network computing is sometimes called a _____ client/server model, because it consists of thin clients, application servers, and database servers.

three tier

A data model serves as a logical framework on which to base the physical design of a database.

true

A major benefit of multidimensional databases is that they are a compact and easy-to-understand way to visualize and manipulate data elements that have many interrelationships.

true

An intranet is a network inside an organization that uses internet technologies to provide an internet-like environment within the enterprise.

true

Business-to-business electronic commerce websites can be used by businesses to establish strategic relationships with their customers and suppliers.

true

Communications satellites can use microwave radio as their telecommunications medium.

true

Cross-functional enterprise systems cross the boundaries of traditional business functions in order to reengineer and improve vital business processes all across the enterprise.

true

DBMS packages play a major role in application development.

true

Distributed databases can reside on network servers on the World WIde Web, on corporate intranets, or on corporate extranets.

true

Enterprise application integration (EAI) software enables users to model the business processes and interactions that should occur between business applications.

true

Firms such as transportation companies, wholesalers, retailers, financial institutions, and service companies must use production/operations information systems to plan and control their operations.

true

Human resource management applications offered over cop orate intranets can enables managers and other employees to perform HRM tasks with little intervention by the HRM department.

true

IPv6 supports over 300 trillion trillion trillion addresses.

true