QUESTIONS AND CORRECT ANSWERS (BRAND
NEW!)WITH MOST TESTED QUESTIONS
COVERS KEY CONCEPTS FROM WGU D075 INCLUDING IT
MANAGEMENT, DATA, SYSTEMS, SECURITY, CLOUD, AND BUSINESS
STRATEGY. INCLUDES MOST TESTED QUESTIONS FOR THE 2025–2026
OA, FORMATTED WITH HARVARD STYLE REFERENCES.
A marketing employee is tasked with mailing discount coupons to the company's top 100 customers
by sales volume. The marketing employee only has lists of customers' names, customers' addresses,
and the sales generated by each customer. Which process should this employee use to ensure
coupons are mailed to the correct customers?
*Data structuring
*Data warehousing
*Data mining
*Data intelligence - CORRECT ANSWER-Data mining
What is the velocity of big data?
*The processing speed of the database servers
*The rate at which the data in a data set become decayed
*The speed of data produced in a given time
*The frequency with which the data set must be updated - CORRECT ANSWER-The speed of
data produced in a given time
What is it called when an organization implements security procedures to protect the hardware,
network, and software from intrusion?
*System-level security
*Access-level security
*Data-level security
*User-level security - CORRECT ANSWER-System-level security
, Which term is used to refer to data that come from many different sources in various structures?
*Unstructured data
*Disparate data
*Semistructured data
*Source data - CORRECT ANSWER-Disparate data
What are scrubbed data?
*Data that are organized into database tables
*Data that have been validated for accuracy
*Data that have been eliminated because they are inconsistent
*Data that have been deleted for privacy reasons - CORRECT ANSWER-Data that have been
validated for accuracy
When a company spends money on data management, it uses a metric to measure the benefit of
this spending relative to the cost.
What is this metric called?
*Cost benefit analysis
*Return on investment
*Profit and loss
*Profitability ratio - CORRECT ANSWER-Return on investment
One perpetual issue with corporate data is ensuring the data are accurate and valid. Procedures that
apply to end users, managers, and IT personnel are often put in place to ensure good data.
What is the term that describes this effort?
*Master data management
*Schema design
*Data governance
*Database management - CORRECT ANSWER-Data governance
Which level of management gets the most detailed reports directly from the transaction processing
system?
*Supervisors