DA0-002 Visualization and Reporting Practice Question
Exhibit
Refer to the exhibit. Sample syslog output: 2024-05-01 08:15:22 ERROR [app1] Connection timeout to DB 2024-05-01 08:17:45 ERROR [app1] Connection timeout to DB 2024-05-01 08:20:10 ERROR [app2] Invalid credentials 2024-05-01 08:22:33 ERROR [app1] Connection timeout to DB 2024-05-01 08:25:50 ERROR [app3] Disk full
The exhibit shows log entries. A data analyst wants to visualize the frequency of each error type over time. Which chart type is most appropriate?
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
✓
Time series line chart
A time series line chart counts events per time interval, best for showing frequency over time. Bar chart of counts is static. Pie of error types ignores time. Scatter plot not suitable.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Time series line chart
Why this is correct
Shows frequency trend over time.
- ✗
Bar chart of error types
Why it's wrong here
Does not show change over time.
- ✗
Scatter plot of timestamp vs error code
Why it's wrong here
Scatter plot would show points but not frequency trend clearly.
- ✗
Pie chart of error types
Why it's wrong here
Shows proportion, not time.
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JA
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.