CompTIA DA0-002

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CompTIA DA0-002 Exam Syllabus Topics:

Reference: https://www.comptia.org/en-us/certifications/data/v2/

CompTIA Data+ Sample Questions:

Question #1
Which of the following data repositories stores unstructured and structured data?

A. Data mart
B. Data silo
C. Data lake
D. Data store

Question #2
A data analyst wants to find the mean score that students received in science classes. Given the following tables:

Which of the following will produce the desired results?

A. COUNT and GROUP
B. SUM and GROUP
C. CONCAT and WHERE
D. AVERAGE and WHERE

Question #3
A data analyst is creating a pivot table for a large data set for an upcoming board meeting. Which of the following is the purpose of the pivot table?

A. To retrieve and clean data from several sources
B. To organize the data for reporting
C. To visualize the data in a dashboard
D. To summarize and analyze the data

Question #4
A manager needs a report to be sent by email every Monday for the next six months. Which of the following is the best way to accomplish this task?

A. Creating a data snapshot
B. Developing a recurring process
C. Waiting for the request each week
D. Building self-service access

Question #5
A data analyst is reviewing a new data source that contains employee IDs, job titles, dates of birth, addresses, years of service, and employees' birth months. Which of the following inconsistencies should the analyst identify?

A. Completeness
B. Duplication
C. Outliers
D. Redundancy

Solutions: