Inf ̣ormation Technology Management – OA Practice Set 2, Part 1
Questions with Correct Answers and Explanations
Question 1: Which of̣ the f̣ ollowing describes the main purpose of̣ a Database Management
System (DBMS)?
A. To design data structures without maintaining data
B. To manage data storage, relationships, and security
C. To provide real-time analytical reports
D. To process web-based transactions only
Correct Answer: To manage data storage, relationships, and security
Explanation: A DBMS is responsible f ̣or creating and managing data structures, def ̣ining relationships, enf ̣orcing
security, and allowing f ̣or data storage and retrieval.
Question 2: Which type of̣ database structure uses parent-child relationships in a hierarchy,
where each data point can only appear in one place?
A. Network Database
B. Relational Database
C. Hierarchical Database
D. Object-Oriented Database
Correct Answer: Hierarchical Database
Explanation: Hierarchical databases organize data in a tree-like structure with parent-child relationships, allowing each
data element to have only one parent.
Question 3: In data mining, which model would a retailer use to identif̣ y products of̣ ten
purchased together?
A. Classif ̣ication
B. Association
C. Regression
D. Clustering
Correct Answer: Association
Explanation: Association identif ̣ies relationships between data points, such as products of ̣ten bought together, which
retailers use to improve recommendations and sales.
Question 4: If̣ a company wants to predict the f̣ uture perf̣ ormance of̣ a stock based on past
trends, which type of̣ analytics should they use?
A. Text Analytics
B. Predictive Analytics
C. Marketing Analytics
D. Web Analytics
Correct Answer: Predictive Analytics
WGU C954 OA Practice - OAPractice Set 2 Part 1 Page 1
, Explanation: Predictive analytics uses historical data to identif ̣y trends and f ̣orecast f ̣uture outcomes, making it suitable
f ̣or stock perf ̣ormance predictions.
Question 5: Which network security principle ensures that data has not been altered during
transmission?
A. Conf ̣identiality
B. Integrity
C. Availability
D. Authenticity
Correct Answer: Integrity
Explanation: Integrity ensures that data remains unchanged f ̣rom its original f ̣orm, validating that inf ̣ormation has not
been tampered with.
Question 6: What type of̣ malware replicates itself̣ and spreads f̣ rom computer to computer
without user intervention?
A. Virus
B. Spyware
C. Trojan Horse
D. Worm
Correct Answer: Worm
Explanation: Worms are a type of ̣ malware that can spread independently across networks without user interaction,
of ̣ten causing widespread issues.
Question 7: Which e-commerce business model involves consumers selling directly to other
consumers?
A. B2B
B. C2B
C. C2C
D. G2C
Correct Answer: C2C
Explanation: Consumer-to-consumer (C2C) e-commerce f ̣acilitates transactions directly between consumers, typically
through online marketplaces.
Question 8: When a system is designed f̣ or continuous change and adaptation, such as
f̣ requent releases, which SDLC approach is it f̣ ollowing?
A. Waterf ̣all
B. Agile
C. Prototyping
D. Parallel
Correct Answer: Agile
Explanation: Agile f ̣ocuses on f ̣lexibility and rapid iteration, making it ideal f ̣or environments requiring f ̣requent updates
and changes.
Question 9: Which phase of̣ the SDLC is specif̣ ically concerned with user training and
documentation?
WGU C954 OA Practice - OAPractice Set 2 Part 1 Page 2