Free CompTIA DA0-001 Practice Test & Real Exam Questions
A development company is constructing a new unit in its apartment complex. The complex has the following floor plans:
Using the average cost per square foot of the original floor plans, which of the following should be the price of the Rose unit?
Using the average cost per square foot of the original floor plans, which of the following should be the price of the Rose unit?
Correct Answer: A
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Which one the following is not considered an aggregate function?
Correct Answer: C
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Given the image below:
The data should be cleaned because of the presence of:
The data should be cleaned because of the presence of:
Correct Answer: C
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Which of the following tools would be best to use to calculate the interquartile range, median, mean, and standard deviation of a column in a table that has 5.000.000 rows?
Correct Answer: C
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An analyst is reviewing the following data:
Car IDSpeed
123155
566436
564418
650567
546436
645638
Which of the following should the analyst include in the measures of central tendency for speed?
Car IDSpeed
123155
566436
564418
650567
546436
645638
Which of the following should the analyst include in the measures of central tendency for speed?
Correct Answer: D
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Which of the following programming languages are best suited for analysis and machine-learning applications? (Select two).
Correct Answer: B,D
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Which one of the following is a measure of dispersion?
Correct Answer: C
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Which of the following best describes the process of examining data for statistics and information about the data?
* Cleansing
* Cleansing
Correct Answer: C
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Which of the following differentiates a flat text file from other data types?
Correct Answer: D
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What SQL command is used to delete an entire table from a database?
Correct Answer: B
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An analyst is working with the income data of suburban families in the United States. The data set has a lot of outliers, and the analyst needs to provide a measure that represents the typical income. Which of the following would BEST fulfill the analyst's goal?
Correct Answer: D
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A junior web developer is developing a new application where users can upload short videos. The first task is to create a homepage that shows the headline "Upload Your Short Videos" and a clickable button that says
"upload now".
Which of the following HTML commands would help the developer to complete the task successfully?
"upload now".
Which of the following HTML commands would help the developer to complete the task successfully?
Correct Answer: D
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The ACME Corporation hired an analyst to detect data quality issues in their Excel documents. Which of the following are the most common issues? (Select TWO)
Correct Answer: A,B
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Which of the following is a best practice when updating a legacy data source?
Correct Answer: D
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A data analyst is working for a shipping company and calculating the volume of boxes according to the following formula:
volume = height × width × depth.
Which of the following variable types describes volume?
volume = height × width × depth.
Which of the following variable types describes volume?
Correct Answer: B
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