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