WGU D322 Exam 489 Questions with Verified Answers
Information Technology - CORRECT ANSWER The technology used in creating,
maintaining, and making information accessible.
IT Professional Roles - CORRECT ANSWER Administration and Support
System Administrator - CORRECT ANSWER responsible for providing technical
support for hardware and software issues end users encounter, such as log-in
issues
Network Administrator - CORRECT ANSWER is responsible for designing, planning,
setting up, and maintaining an organization's network
Database Administrator - CORRECT ANSWER is responsible for installing and
configuring databases. This position also fixes database errors and creates user
accounts.
Security Administrator - CORRECT ANSWER is responsible for installing,
administering, and troubleshooting network security issues
Web Administrator - CORRECT 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 - CORRECT ANSWER Help desk and training.
Information - CORRECT ANSWER collection of processed data from a variety of
sources
DIKW Hierarchy - CORRECT ANSWER Defines the transition of data to information
from knowledge to wisdom. (Data Information Knowledge Wisdom)
,Data in DIKW - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER Provides a social setting to knowledge; an
understanding of the "why". Can only come by having both knowledge and
experience.
Information Systems - CORRECT 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 - CORRECT 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 - CORRECT ANSWER is coded in a way that makes it easy to
convert into a form usable for analysis.
Examples of structured data - CORRECT 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 - CORRECT ANSWER refers to data that is more complex and
possibly stored in a format that is not easily decoded.
Examples of unstructured data - CORRECT 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 - CORRECT ANSWER a business must first
collect data from multiple platforms and portals.
Data in businesses comes from various activities like - CORRECT ANSWER sales
and marketing, finance, customer service, and relationship management.
Companies store data in multiple systems like - CORRECT 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 - CORRECT ANSWER refers to the processes of ensuring the
cleanliness of data (i.e., that the data is relatively error-free)
Data scrubbing - CORRECT ANSWER the process of amending or removing data in
a database that is incorrect, incomplete, improperly formatted, or duplicated.
Quality data - CORRECT ANSWER defined as data that is precise, valid, reliable,
timely, and complete.
, Good data enables businesses to do the following: - CORRECT 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 - CORRECT 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: - CORRECT ANSWER capturing, analyzing, and using.
IPO - CORRECT ANSWER The input-process-output
4 main functions of a computer - CORRECT ANSWER Input, processing, Output,
Storage
Input - CORRECT ANSWER Raw data is entered by the user.
Processing - CORRECT ANSWER actoins computer takes to execute commands.
Raw data is organized or structured for usefulness.