WorksheetsMis - Ch5 - Testbank (2)
Total questions: 117
Worksheet time: 59mins
Which type of infrastructure service provides data, voice and video connectivity to employees, customers, and suppliers?
Networking
Telephone
VOIP
Telecommunications
Data management
Which of the following is not an IT infrastructure service component?
Operating system software
Computing platforms to provide a coherent digital environment
Physical facilities management to manage the facilities housing physical components
IT management services to plan and develop the infrastructure and provide project management
IT education services that provide training to employees
Specifications that establish the compatibility of products and the ability to communicate in a network are called:
Network standards
Telecommunications standards
Technology standards
Internet standards
Compatibility standards
A(n) ________ is used to communicate between a user and an organization's back-end systems.
Public server
Private server
Legacy server
Application server
Blade server
Place the following eras of IT infrastructure evolution in order, from earliest to most recent: 1. Cloud Computing Era; 2. Client/Server; 3. Enterprise Era; 4. Personal Computer; 5. Mainframe and Minicomputer.
5, 2, 3, 4, 1
5, 4, 2, 3, 1
4, 5, 2, 3, 1
5, 4, 2, 1, 3
4, 5, 3, 2, 1
The introduction of the minicomputer:
Allowed computers to be customized to the specific needs of departments or business units
Strengthened centralized computing
Offered new, powerful machines at higher prices than mainframes
Represented the rise of Microsoft
Was dominated by IBM
A client computer networked to a server computer, with processing split between the two types of machines, is called a(n):
Service-oriented architecture
On-demand architecture
Multi-tiered client/server architecture
Two-tiered client/server architecture
Divided architecture
In a multi-tiered network:
The work of the entire network is centralized
The work of the entire network is balanced over several levels of servers
Processing is split between clients and servers
Processing is handled by multiple, geographically-remote clients
Processing is located in the cloud
Interpretations of Moore's law assert that:
Computing power will eventually level off
Transistors decrease in size 50% every two years
Data storage costs decrease by 50% every 18 months
PCs decrease in market share by 9% every 5 years
Computing power doubles every 18 months
Today's nanotechnology-produced computer transistors are roughly equivalent in size to:
The width of a fingernail
A human hair
A virus
An atom
A grain of sand
Which of the following is a multitasking, multi-user, operating system developed by Bell Laboratories that operates on a wide variety of computing platforms?
Unix
Linux
OS X
COBOL
DOS
Which of the following is the network standard for connecting desktop computers into local area networks that enabled the widespread adoption of client/server computing and local area networks and further stimulated the adoption of personal computers?
TCP/IP
COBOL
Ethernet
ASCII
Linux
The development of TCP/IP occurred during the ________ era.
Cloud and mobile computing
General-purpose mainframe and minicomputer
Client/server era
Personal computer
Enterprise computing
Which of the following became the standard PC in the Personal Computer Era?
Wintel PC
DOS PC
MITS PC
Altair
Apple II
________ uses individual atoms and molecules to create computer chips and other devices.
Virtualization
Nanotechnology
Quantum computing
A minicomputer
On-demand computing
________ states that the value or power of a network grows exponentially as a function of the number of network members.
Metcalfe's Law
Moore's Law
Law of scalability
Law of outsourcing
Law of networks
Which of the following factors does not help explain why computing resources today are even more available than in previous decades?
Network economics
Law of mass digital storage
Moore's law
Declining communications costs and the Internet
Widespread rejection of technology standards
Client/server computing is a primary example of centralized processing.
True
False
In N-tier computing, significant parts of website content, logic, and processing are performed by different servers.
True
False
Application server software is responsible for locating and managing stored webpages.
True
False
IT infrastructure consists of only those physical computing devices required to operate the enterprise.
True
False
An application server may reside on the same computer as a web server or on its own dedicated computer.
True
False
It is much easier to eliminate a cloud service than to remove functionality from a company's core internal systems. Choose True or False.
True
False
In financial services firms, investments in IT infrastructure represent more than half of all capital invested. Choose True or False.
True
False
Microsoft is the market leader in client/server networking. Choose True or False.
True
False
Cloud computing is the fastest growing form of computing. Choose True or False.
True
False
Exponential growth in the number of transistors and the power of processors is expected to increase for the foreseeable future. Choose True or False.
True
False
Select all components that comprise IT infrastructure services beyond physical devices and software applications.
Telecommunications services that provide data, voice, and video connectivity
Data management services to store, manage, and analyze data
Human resources recruitment services
IT education services that provide training in the use of systems
Facilities catering services
Why are standards important in information technology, and which standards have been important for the growth of the Internet?
They enable different manufacturers' products to interoperate by using common definitions and formats; examples include TCP/IP for networking and web standards such as HTML for displaying information
They increase vendor lock-in by requiring proprietary formats; examples include private networking protocols and closed document types
They primarily reduce hardware costs by standardizing chip designs; examples include Moore's law and GPU standards
They eliminate the need for software compatibility entirely; examples include quantum algorithms and VRML
Have mainframes disappeared?
No; they continue to reliably and securely handle very large transaction volumes and data processing, including workloads for telecommunications and cloud computing centers
Yes; they have been completely replaced by desktop PCs and tablets in all industries
Yes; they only survive as experimental platforms with no role in business transactions
No; but they now operate only as consumer gaming consoles
Which of the following is a leading networking hardware provider?
Dell
Intel
Seagate
IBM
Cisco
Software that manages the resources of the computer is called:
Operating system software
Application software
Data management software
Network software
Web services software
A SAN is a ________ network.
Server area
Storage area
Scalable architecture
Service-oriented architecture
Software arrangement
Which of the following is an example of a legacy system?
Transaction processing system running on a mainframe
Scalable grid computing system
Web services running on a cloud computing platform
MDM software
Quantum computing system
Which of the following is not an example of a wearable computing device?
Smartwatch
Smart glasses
Smartphones
Activity trackers
Smart ID badges
________ are computers consisting of a circuit board with processors, memory, and network connections that are stored in racks.
Mainframes
Rack servers
Cloud servers
Hybrid servers
Blade servers
________ interfaces allow users to employ one or more fingers to manipulate objects on a screen without a mouse or keyboard.
Hypertouch
Nanotech
Multitouch
Linux
Scalable
The operating system is used to manage the computer's activities. Choose True or False.
True
False
SANs maintain a series of servers and provide fee-paying subscribers with space to maintain their websites. Choose True or False.
True
False
Which of the following is not an example of the mobile digital platform?
Tablets
Kindle
Cell phones
CRM
Apps
All of the following are current hardware platform trends except:
Green computing
Virtualization
Cloud computing
Unix
Quantum computing
The ability to be in multiple states at once, dramatically increasing processing power, is a hallmark of:
Co-location
Edge computing
Grid computing
Utility computing
Quantum computing
Which of the following is a recent addition to the mobile digital platform?
Quantum computing devices
Wearable computing devices
Cloud computing devices
Grid computing devices
Green computing devices
At what percent of capacity do most servers operate?
100%
80-90%
Approximately 70%
40-50%
15-20%
Which of the following enables a single physical resource (such as a server or a storage device) to appear to the user as multiple logical resources?
Cloud computing
Autonomic computing
Virtualization
Multicore processing
Ubiquitous computing
Which of the following types of computing involves purchasing computing power from a remote provider and paying only for the computing power used?
On-demand
Grid
Edge
Autonomic
All of the following are cloud computing services except:
infrastructure as a service.
platform as a service.
software as a service.
on-demand computing.
virtualization as a service.
Firms that allow employees to use their own devices are embracing which of the following?
Wearable computing
Mobile consolidation
Cloud computing
BYOD (Bring Your Own Device)
Self computing
The marketplace for computer hardware:
has become increasingly concentrated in top firms.
has expanded to include a wide variety of start-up and mobile-computing firms.
has moved significantly to Asian firms.
has been decimated by mobile and cloud computing.
has begun moving away from blade servers.
Which of the following is the most popular mobile operating system?
Linux
Android
Chrome OS
iOS
Unix
Which of the following is not one of the NIST defined characteristics of cloud computing?
Ubiquitous network access
Location-independent resource pooling
On-demand self service
Measured service
Reduced elasticity
Which of the following is not an example of the consumerization of IT?
Google Apps
Dropbox
Gmail
Amazon Web Services
A(n) ______ is an integrated circuit to which two or more processors have been attached for enhanced performance and reduced power consumption.
multicore processor
legacy processor
scalable processor
aggregate circuit
green circuit
SaaS refers to:
supplying online access over networks to storage devices and storage area network technology.
managing combinations of applications, networks, systems, storage, and security as well as providing Web site and systems performance monitoring to subscribers over the Internet.
self-contained services that communicate with each other to create a working software application.
easy-to-use software tools for displaying Web pages.
hosting and managing access to software applications delivered over the Internet to clients on a subscription basis.
Which of the following involves practices and technologies to minimize the environmental effects of manufacturing and managing computing devices?
Capacity planning
Cloud computing
Green computing
Utility computing
On-demand computing
In green computing, reducing computer power consumption is a top priority.
True
False
Quantum computing is implemented primarily with enterprise or ISP servers.
True
False
Quantum computing is not yet available to the general public.
True
False
Which statement best distinguishes cloud computing, green computing, and quantum computing?
Cloud computing provides technology services over a network; green computing focuses on designing and managing computing to minimize environmental impact; quantum computing uses principles of quantum physics to dramatically boost processing power.
Cloud computing focuses on minimizing environmental impact; green computing provides technology services over the Internet; quantum computing relies on classical bits to reduce costs.
Cloud computing and green computing are both primarily about reducing power consumption; quantum computing is a new marketing term for faster classical processors.
Cloud computing delivers only software services; green computing is about recycling; quantum computing refers to using multiple cores in a processor.
An ad‑hoc group of oceanographers needs to analyze massive amounts of ocean temperature data and transmit the data to a central computer. Which additional hardware and techniques would best support their needs and lower costs?
A storage area network (SAN) for data storage
A supercomputer for processing the data
On‑demand computing and virtualization to reduce costs
Implementing multicore processors
Inkjet printers for field data collection
Which of the following are drawbacks of cloud computing? Select all that apply.
Security and privacy concerns
Dependence on Internet connectivity and potential downtime
Vendor lock‑in and portability challenges
Less direct control over data location and compliance
Guaranteed cost savings at all scales and use cases
Which type of software is created and updated by a worldwide community of programmers and available for free?
Software packages
Mashups
Outsourced
Open source
Closed source
Which of the following is not one of the current software platform trends?
Web services and service-oriented architecture
Open-source software
HTML5
Software outsourcing
Multicore processors
Linux is:
primarily concerned with the tasks of end users.
designed for specific machines and specific microprocessors.
an example of open-source software.
especially useful for processing numeric data.
poorly suited to power fast computers.
Which of the following statements about Linux is not true?
It plays a major role in the back office running local area networks.
It is available in free versions downloadable from the Internet.
It has garnered 20 percent of the server operating system market.
Linux applications are embedded in cell phones, smartphones, netbooks, and other handheld devices.
Linux works on all the major hardware platforms.
Running a Java program on a computer requires:
a Java Virtual Machine to be installed on that computer.
a Java Virtual Machine to be installed on the server hosting the Java applet.
a miniature program to be downloaded to the user's computer.
no specialized software, as Java is platform-independent.
the Mozilla Firefox browser and no other browsers.
A software program with a graphical user interface for displaying web pages and for accessing the web and other Internet resources is called a web:
service.
client.
browser.
app.
beacon.
Sets of loosely coupled software components that exchange information with each other using standard web communication standards and languages are referred to as:
web services.
EAI software.
SOA.
SOAP.
SaaS.
Which of the following refers to a set of self-contained services that communicate with each other to create a working software application?
Web services
EAI software
SOA
SOAP
Prepackaged software
Prewritten, commercially available sets of software programs that eliminate the need for a firm to write its own software programs for certain functions, are referred to as:
Software packages
Mashups
Outsourced software
Open-source software
Service level agreements
________ are created by combining and customizing components from different online software applications.
Apps
Web browsers
SaaS
Web services
Web mashups
The practice of contracting custom software development to an outside firm is commonly referred to as:
Outsourcing
Scaling
Service-oriented architecture
Application integration
Utility computing
A formal contract between customers and their service providers that outlines the specific responsibilities of the service provider and to the customer is called a(n):
SOA
SLA
TCO
RFQ
SaaS
________ provides a standard format for data exchange, enabling web services to pass data from one process to another.
HTML
HTML5
Java
Chrome OS
XML
Java software is designed to run on any computing device, regardless of the specific microprocessor or operating system it uses.
True
False
Web services can exchange information between two different systems only if the operating systems and programming languages upon which the systems are based are identical.
True
False
Which model can be used to analyze the direct and indirect costs to help firms determine the actual cost of specific technology implementations?
Supply and demand
Return on investment
Break Even point
Cost-benefit analysis
Total cost of ownership
How would you determine the market demand for your firm's IT services?
Perform a TCO analysis
Benchmark your services
Hold focus groups to assess your services
Analyze sales returns on key investments
Perform a stress test
Which of the following is not one of the main six factors to consider when evaluating how much your firm should spend on IT infrastructure?
Your firm's business strategy
The IT investments made by competitor firms
Market demand for your firm's services
Your firm's organizational culture
Information technology assessment
The decision to purchase your own IT assets or rent them from external providers is also referred to as the rent-versus-buy decision.
True
False
Scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
True
False
Which of the following technologies would you use to analyze the social media data collected by a major online retailer?
OLAP
Data warehouse
Data mart
Hadoop
DBMS
Which of the following is not one of the techniques used in web mining?
Content mining
Structure mining
Server mining
Usage mining
Data mining
You work for a retail clothing chain whose primary outlets are in shopping malls and are conducting an analysis of your customers and their preferences. You wish to find out if there are any particular activities that your customers engage in, or the types of purchases made in the month before or after purchasing select items from your store. To do this, you will want to use the data mining software you are using to do which of the following?
Identify associations
Identify clusters
Identify sequences
Classify data
Create a forecast
You work for a car rental agency and want to determine what characteristics are shared among your most loyal customers. To do this, you will want to use the data mining software you are using to do which of the following?
Identify associations
Identify clusters
Identify sequences
Classify data
Create a forecast
A data warehouse is composed of:
historical data from legacy systems.
current data.
internal and external data sources.
historic and current internal data.
historic external data.
All of the following are technologies used to analyze and manage big data except:
cloud computing.
noSQL.
in-memory computing.
analytic platforms.
Hadoop.
A household appliances manufacturer has hired you to help analyze its social media datasets to determine which of its refrigerators are seen as the most reliable. Which of the following tools would you use to analyze this data?
Text mining tools
Sentiment analysis software
Web mining technologies
Data mining software
Data governance software
Which of the following tools enables users to view the same data in different ways using multiple dimensions?
Predictive analysis
SQL
OLAP
Data mining
Hadoop
OLAP enables:
users to obtain online answers to ad-hoc questions in a rapid amount of time.
users to view both logical and physical views of data.
programmers to quickly diagram data relationships.
programmers to normalize data.
users to quickly generate summary reports.
Data mining allows users to:
quickly compare transaction data gathered over many years.
find hidden relationships in data.
obtain online answers to ad-hoc questions in a rapid amount of time.
summarize massive amounts of data into much smaller, traditional reports.
access the vast amounts of data in a data warehouse.
In the context of data relationships, the term associations refers to:
events linked over time.
patterns that describe a group to which an item belongs.
occurrences linked to a single event.
undiscovered groupings.
relationships between different customers.
________ tools are used to analyze large unstructured data sets, such as e-mail, memos, and survey responses to discover patterns and relationships.
OLAP
Text mining
In-memory
Clustering
Classification
Which of the following enables you to create a script that allows a web server to communicate with a back-end database?
CGI
HTML
Java
SQL
NoSQL
Which of the following is software that handles all application operations between browser-based computers and a company's back-end business applications or databases?
Database server software
Application server software
Web browser software
Data mining software
Web server software
In data mining, which of the following involves using a series of existing values to determine what other future values will be?
Associations
Sequences
Classifications
Clustering
Forecasting
In data mining, which of the following involves recognizing patterns that describe the group to which an item belongs by examining existing items and inferring a set of rules?
Associations
Sequences
Classifications
Clustering
Forecasting
In data mining, which of the following involves events linked over time?
Associations
Sequences
Classifications
Clustering
Forecasting
MongoDB and SimpleDB are both examples of:
open source databases.
SQL databases.
NoSQL databases.
cloud databases.
big data databases.
Which of the following would you use to find patterns in user interaction data recorded by a web server?
Web usage mining
Web server mining
Web structure mining
Web content mining
Web protocol mining
HTML has become the preferred method of communicating with back-end databases because it is a cross-platform language.
True
False
Legacy systems are used to populate and update data warehouses.
True
False
Multiple data marts are combined and streamlined to create a data warehouse.
True
False
You can use OLAP to perform multidimensional data analysis.
True
False
OLAP is unable to manage and handle queries with very large sets of data.
True
False
In-memory computing relies primarily on a computer (RAM) for data storage.
True
False
Middleware is an application that transfers information from an organization's internal database to a web server for delivery to a user as part of a web page.
True
False
Implementing a web interface for an organization's internal database usually requires substantial changes to be made to the database.
True
False
You can manipulate data on a web server by using a CGI script.
True
False
You can use text mining tools to analyze unstructured data, such as memos and legal cases.
True
False
In a client/server environment, a DBMS is located on a dedicated computer called a web server.
True
False
Associations are occurrences linked to multiple events.
True
False
High-speed analytic platforms use both relational and non-relational tools to analyze large datasets.
True
False
You have been hired by a furniture leasing company to implement its first business intelligence systems and infrastructure. Which option best describes the types of data the firm can use to support business intelligence and the systems you would implement to support both power users and casual users, and how these systems or tools work together?
Use operational, historical, machine-generated, Web/social, audio/video, and external data; store all data in a data warehouse that supports casual users with queries, reports, and dashboards; deploy a Hadoop cluster and analytic platform for power users to run OLAP and data mining; create smaller data marts for faster querying.
Rely only on operational transaction data in a single relational database; provide end users with spreadsheets for reporting; avoid Hadoop or OLAP because they add unnecessary complexity.
Focus on Web and social media data only; analyze with simple visualization tools; forgo a centralized warehouse in favor of separate departmental files.
Collect data solely from external vendors to reduce storage; use a document repository for all analytics; restrict power users and casual users to the same basic reporting tools.
Explain what the term big data refers to, including its benefits and challenges.
Datasets with volumes beyond typical DBMS capacity, created by large-scale sources such as Web traffic, e-mail, social media, and networked devices; benefits include revealing more patterns and insights; challenges include needing new technologies and skills, high costs, and limits that may not always improve decisions.
Any data stored in a relational database; benefits include guaranteed data accuracy and low storage costs; challenges are minimal and mainly involve user training.
Small, structured datasets collected from internal systems only; benefits include easy reporting; challenges include occasional data entry delays.
Data that is fully anonymized and encrypted; benefits include perfect privacy; challenges include difficulty in sharing data across departments.
An organization's rules for sharing, disseminating, acquiring, standardizing, classifying, and inventorying information is called a(n):
information policy.
data definition file.
data quality audit.
data governance policy.
data policy.
In a large organization, which of the following functions would be responsible for physical database design and maintenance?
Data administration
Database administration
Information policy administration
Data auditing
Database management
