WGU D312 FINAL EXAM WITH CORRECT ACTUAL QUESTIONS AND CORRECTLY WELL DEFINED ANSWERS LATEST ALREADY GRADED A+

WGU D312 FINAL EXAM WITH CORRECT
ACTUAL QUESTIONS AND CORRECTLY
WELL DEFINED ANSWERS LATEST
ALREADY GRADED A+




1. What is the primary purpose of data analytics in
business?


A. To store raw data
✔ B. To extract meaningful insights for decision-making
C. To delete unnecessary data
D. To encrypt business records


Answer: ✔ B
Explanation: Data analytics focuses on transforming raw
data into actionable insights that help organizations make
informed decisions.

,2. Which type of data is structured data?


A. Emails
✔ B. SQL database tables
C. Videos
D. Social media posts


Answer: ✔ B
Explanation: Structured data is organized in rows and
columns, such as in relational databases.


3. What does ETL stand for?


A. Extract Transform Load ✔
B. Evaluate Transfer Log
C. Extract Table Link
D. Execute Transform Logic


Answer: ✔ A
Explanation: ETL refers to Extract, Transform, Load—used in
data integration processes.

,4. Which tool is commonly used for data visualization?


A. MySQL
✔ B. Tableau
C. Linux
D. Git


Answer: ✔ B
Explanation: Tableau is widely used for creating interactive
dashboards and visual analytics.


5. What is the purpose of a database primary key?


A. Encrypt data
✔ B. Uniquely identify each record
C. Delete duplicates
D. Store passwords


Answer: ✔ B

, Explanation: A primary key ensures each row in a table is
unique.


6. What is big data characterized by?


A. Small datasets
✔ B. Volume, velocity, and variety
C. Only text data
D. Static reports


Answer: ✔ B
Explanation: Big data involves large, fast, and diverse
datasets.


7. Which SQL command retrieves data?


A. INSERT
✔ B. SELECT
C. DELETE
D. UPDATE