CompTIA DA0-001 CompTIA Data+ Certification Online Training

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1. Q3 2020 has just ended, and now a data analyst needs to create an ad-hoc sales report that demonstrates how well the Q3 2020 promotion went versus last year's Q3 promotion.

Which of the following date parameters should the analyst use?

2. A data analyst has been asked to create an ad-hoc sales report for the Chief Executive Officer (CEO).

Which of the following should be included in the report?

3. Which of the following can be used to translate data into another form so it can only be read by a user who has a key or a password?

A. Data encryption.

B. Data transmission.

C. Data protection.

D. Data masking.

4. Which of the following is an example of a discrete data type?

5. Which of the following contains alphanumeric values?

6. 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?

7. A web developer wants to ensure that malicious users can't type SQL statements when they asked for input, like their username/userid.

Which of the following query optimization techniques would effectively prevent SQL Injection attacks?

8. Consider the following dataset which contains information about houses that are for sale:

Which of the following string manipulation commands will combine the address and region name columns to create a full address?

full_address------------------------- 85 Turner St, Northern Metropolitan 25 Bloomburg St, Northern Metropolitan 5 Charles St, Northern Metropolitan 40 Federation La, Northern Metropolitan 55a Park St, Northern Metropolitan

9. 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)

10. Consider this dataset showing the retirement age of 11 people, in whole years:

54, 54, 54, 55, 56, 57, 57, 58, 58, 60, 60

This tables show a simple frequency distribution of the retirement age data.