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WGU D322 Exam Questions and Answers (Graded A)
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WGU D322 Exam Questions and Answers (Graded A)
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WGU D322 Exam Questions andAnswers (Graded A)
Information Technology - Answer -The technology used in creating, maintaining, and
making information accessible.
IT Professional Roles - Answer -Administration and Support
System Administrator - Answer -responsible for providing technical support for hardware
and software issues end users encounter, such as log-in issues
Network Administrator - Answer -is responsible for designing, planning, setting up, and
maintaining an organization's network
Database Administrator - Answer -is responsible for installing and configuring
databases. This position also fixes database errors and creates user accounts.
Security Administrator - Answer -is responsible for installing, administering, and
troubleshooting network security issues
Web Administrator - Answer -is responsible for troubleshooting error messages
employees encounter when attempting to access their organization's website. The web
administrator is also responsible for tracking, compiling, and analyzing website usage
data. This role reports security breaches to appropriate personnel.
Support IT Professionals - Answer -Help desk and training.
Information - Answer -collection of processed data from a variety of sources
DIKW Hierarchy - Answer -Defines the transition of data to information from knowledge
to wisdom. (Data Information Knowledge Wisdom)
Data in DIKW - Answer -The input directly received by the user (or computer). It is
generally not usable until it has been converted into a relevant form.
Information in DIKW - Answer -Having been inferred from data; one or more processes
have been applied to the data to transform it into a more useful form.
,Knowledge in DIKW - Answer -Information that has been put to use; information placed
into a context. Refined information such that the user of the knowledge is able to call
forth only relevant portions of information when needed. KNOWING THR RIGHT THING
TO DO
Wisdom in DIKW - Answer -Provides a social setting to knowledge; an understanding of
the "why". Can only come by having both knowledge and experience.
Information Systems - Answer -A collection of data and information used to support the
management of an organization. Also refers to the technical components and human
resources that enable the assembly, storage, and processing of data and the delivery of
information. This has existed for a lot longer than computers.
Characteristics of Quality Data - Answer -Relevance - the data being used must apply
directly to the decision being made
Timely - data must be efficient and must be provided in a timely manner
Thorough - the data must be complete
Accurate - data should be captured only once, where possible and should be captured
as close to the point of activity as possible.
Reliable - data should reflect stable and consistent data collection processes across
collections points and over time
Structured data - Answer -is coded in a way that makes it easy to convert into a form
usable for analysis.
Examples of structured data - Answer -contact information such as first name, last
name, email address, and phone number. In addition, quantitative fields like date of
birth, date of transaction, and the amount received or amount due are forms of
structured data.
Unstructured data - Answer -refers to data that is more complex and possibly stored in a
format that is not easily decoded.
Examples of unstructured data - Answer -include data stored in text or video format,
comments on a web page, text messages, and videos of presentations or conferences.
To begin analyzing business processes - Answer -a business must first collect data
from multiple platforms and portals.
Data in businesses comes from various activities like - Answer -sales and marketing,
finance, customer service, and relationship management.
,Companies store data in multiple systems like - Answer -customer relationship
management (CRM) system and sales records, finance, enterprise resource planning
(ERP), and customer applications. each has data on every customer
Data Hygiene - Answer -refers to the processes of ensuring the cleanliness of data (i.e.,
that the data is relatively error-free)
Data scrubbing - Answer -the process of amending or removing data in a database that
is incorrect, incomplete, improperly formatted, or duplicated.
Quality data - Answer -defined as data that is precise, valid, reliable, timely, and
complete.
Good data enables businesses to do the following: - Answer -*Analyze the current
financial state of the organization in terms of net profits, revenues, cash flow, assets,
and liabilities
*Increase revenues through better targeting of products and increased customer
satisfaction
*Examine existing production processes to take corrective action, improve efficiency,
and lower costs
*Develop new, automated processes that integrate harmoniously into existing workflows
and reduce demands on labor
*Gather competitive information on product and pricing decisions to stay ahead of
competitors
*Make evidence-based decisions that utilize verifiable data to maximize profits and
efficiency
*Understand business value by exploiting rapid changes in information and generating
insights from diverse data sources to widen the competitive differentiation gap
Types of bad data - Answer -*Duplicate data: Two or more identical records
*Conflicting data: The same records with differing attributes
*Incomplete data: Missing attributes
*Invalid data: Attributes not conforming to standardization
*Unsynchronized data: Data not appropriately shared between two systems
three general steps for transforming institutional knowledge into implementable data
solutions: - Answer -capturing, analyzing, and using.
IPO - Answer -The input-process-output
4 main functions of a computer - Answer -Input, processing, Output, Storage
Input - Answer -Raw data is entered by the user.
, Processing - Answer -actoins computer takes to execute commands. Raw data is
organized or structured for usefulness.
Output - Answer -Information is given out so users can see results. results provided by
the computer after processing
Storage - Answer -Processed information is stored for permanent record.
Computer System - Answer -A collection of components that work together to meet the
needs of the user; typically categorized as either hardware, software, networks, or
users.
The most important element of a computer system is? - Answer -its users, sometimes
called liveware
Hardware - Answer -Physical components of a computer system which include the
system unit and its components and peripheral devices; tangible aspects of the
computer. Motherboards, graphics cards, central processing units (CPUs), and power
supply
Middleware - Answer -allows the hardware and software to communicate with each
other, enabling data to move between computer system components
Software - Answer -a collection of instructions that enable a user to interact with a
computer to perform tasks. Internet browsers, text editing tools, and spreadsheets are
examples of computer software
Types of system software - Answer -Windows, Mac, or Linux
Word processing applications - Answer -allow users to type letters, complete
assignments, and produce any other written artifact.
Spreadsheet applications - Answer -Spreadsheet applications help create charts and
complete complex calculations.
Email applications - Answer -allow a user to receive and send email communications.
Web browsers - Answer -allow a user to access the content of web pages on various
sites.
The Motherboard - Answer -is at the center of what makes a computer work. It houses
the CPU and serves as the brain of the system allocating resources, such as power,
and communicating with all other components.
The CPU - Answer -processes the data from the programs your computer runs.
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