DA0-002 Data Analysis Practice Question
A data analyst is performing time series analysis on monthly sales data and notices a consistent pattern of higher sales every December. Which component of time series does this represent?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Seasonality
Seasonality refers to regular patterns that repeat at fixed intervals, such as yearly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Trend
Why it's wrong here
Trend is long-term direction, not regular repeating patterns.
- ✗
Irregular component
Why it's wrong here
Irregular is random noise.
- ✓
Seasonality
Why this is correct
Seasonality is regular periodic pattern.
- ✗
Cyclical
Why it's wrong here
Cyclical patterns are irregular and not fixed periods.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the DA0-002 exam.