Practice Free DA0-002 Exam Online Questions
A data analyst needs to get an accurate idea of how data components are automated.
Which of the following types of documentation should the analyst review first?
- A . Data flow diagram
- B . Data explainability report
- C . Data dictionary
- D . Data lineage
A data analyst is preparing a survey for Paralympic Games athletes.
Which of the following should the analyst consider when creating this survey?
- A . Idioms
- B . Color contrast
- C . Refresh speed
- D . Granularity
Which of the following methods should the analyst use for this task?
- A . Join
- B . Insert
- C . Union
- D . Append
A company’s analytics manager wants all reports to be delivered once every seven days.
Which of the following is the best delivery method?
- A . Recurring
- B . Ad hoc
- C . Custom
- D . Snapshot
A manager wants a report that contains the days off for each direct report. The manager needs this report to always be up-to-date with the latest data.
Which of the following describes the refresh frequency that the manager is requesting?
- A . Real-time
- B . Ad hoc
- C . Snapshot
- D . Dynamic
A data analyst encounters an issue with new software and a code that they are using. The analyst includes print statements in the code to try to identify the issue, without success. An informal peer review of the code also produces the same result. The analyst confirms that the software is updated to the latest version and compatible with the code.
Which of the following troubleshooting steps should the analyst take next?
- A . Use the old software and preexisting code, since both were functional.
- B . Contact the IT department and inform them that the software has a bug.
- C . Escalate to the department manager and ask for assistance.
- D . Research the issue online and see if a solution is available.
A user needs a report that shows the main causes of customer churn rate in a three-year period.
Which of the following methods provides this information?
- A . Inferential
- B . Descriptive
- C . Prescriptive
- D . Predictive
A data analyst is analyzing the following dataset:
Which of the following methods should the analyst use to determine the total cost for each transaction?
- A . Parsing
- B . Scaling
- C . Compressing
- D . Deriving
Which of the following best represents a type of infrastructure that requires a company to purchase and maintain all of its own servers?
- A . Private
- B . Cloud
- C . Hybrid
- D . Public
Due to new reporting requirements, a data analyst must add new classification codes to historical data.
Which of the following is the best technique for this task?
- A . Append
- B . Binning
- C . Parsing
- D . Union