CompTIA Data+ Certification Exam
Last Update 1 day ago
Total Questions : 215
DA0-001 is stable now with all latest exam questions are added 1 day ago. Just download our Full package and start your journey with CompTIA Data+ Certification Exam certification. All these CompTIA DA0-001 practice exam questions are real and verified by our Experts in the related industry fields.
Which of the following statistical methods requires two or more categorical variables?
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?
Exhibit.
Which of the following logical statements results in Table B?
A)
B)
C)
D)
Which of the following best describes the process of examining data for statistics and information about the data?
A database consists of one fact table that is composed of multiple dimensions. Depending on the dimension, each one can be represented by a denormalized table or multiple normalized tables. This structure is an example of a:
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?
What role in a data governance is typically responsible for day-to-day oversight of data use?
Which of the following query optimization techniques involves examining only the data that is needed for a particular task?
Jenny wants to study the academic performance of undergraduate sophomores and wants to determine the average grade point average at different points during an academic year.
What best describes the data set she needs?
An analyst is designing a dashboard to determine which site has the highest percentage of new customers. The analyst must choose an appropriate chart to include in the dashboard. The following data is available:
Which of the following types of charts should be considered to best display the data?
An analyst is designing a dashboard to determine which site has the highest percentage of new customers. The analyst must choose an appropriate chart to include in the dashboard. The following data is available:
Which of the following types of charts should be considered to BEST display the data?
You are working with a dataset and want to change the names of categories that you used for different types of books.
What term best describes this action?
A sales analyst needs to report how the sales team is performing to target. Which of the following files will be important in determining 2019 performance attainment?
Given the following graph:
Which of the following summary statements upholds integrity in data reporting?
A data analyst has been asked to create a sales report that calculates the rolling 12-month average for sales. If the report will be published on November 1, 2020, which of the following months shouts the report cover?
Which of the following are reasons to create and maintain a data dictionary? (Choose two.)
An analyst must obtain the average daily sales for the following week:
Which of the following must the analyst perform to obtain this value?
Which of the following actions should be taken when transmitting data to mitigate the chance of a data leak occurring? (Choose two.)
Joseph is interpreting a left skewed distribution of test scores. Joe scored at the mean, Alfonso scored at the median, and gaby scored and the end of the tail.
Who had the highest score?
An analyst has been asked to validate data quality. Which of the following are the BEST reasons to validate data for quality control purposes? (Choose two.)
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)
Which of the following reports can be used when insight into operational performance is needed each Wednesday?
Which one of the following values will appear first if they are sorted in descending order?
Which of the following are reasons to conduct data cleansing? (Select two).
Which of the following database schemas features normalized dimension tables?
Which of the following would be considered non-personally identifiable information?
A company's human resources department has asked a data analyst to categorize the income of all employees into five salary bands:
Which of the following types of functions would be the most appropriate to use?
Alex wants to use data from his corporate sale, CRM, and shipping systems to try and predict future sales.
Which of the following systems is the most appropriate?
Choose the best answer.
An analyst has been tracking company intranet usage and has been asked to create a chat to show the most-used/most-clicked portions of a homepage that contains more than 30 links. Which of the following visualizations would BEST illustrate this information?
Which of the following is a control measure for preventing a data breach?
A data analyst needs to calculate the mean for Q1 sales using the data set below:
Which of the following is the mean?
You are working with a professional statistician to perform an analysis and would like to use a statistics package.
Which one of the following would be the most appropriate?
A company’s marketing department wants to do a promotional campaign next month. A data analyst on the team has been asked to perform customer segmentation, looking at how recently a customer bought the product, at what frequency, and at what value. Which of the following types of analysis would this practice be considered?
A database consists of one fact table that is composed of multiple dimensions. Each dimension is represented by a denormalized table. This structure is an example of a:
Which of the following value is the measure of dispersion "range" between the scores of ten students in a test.
The scores of ten students in a test are 17, 23, 30, 36, 45, 51, 58, 66, 72, 77.
An analyst needs to provide a chart to identify the composition between the categories of the survey response data set:
Which of the following charts would be BEST to use?
You would like to measure how well an organization is achieving its goals.
What type of analysis should you perform?
After completing web scraping, which of the following file formats needs to be parsed?
A data analyst needs to create a data visualization that aids in un the cumulative impact of sequentially introduced values that are positive or negative. Which of the following
data visualization methods should the analyst use?
A data analyst is asked to create a sales report for the second-quarter 2020 board meeting, which will include a review of the business’s performance through the second quarter. The board meeting will be held on July 15, 2020, after the numbers are finalized. Which of the following report types should the data analyst create?
Encryption is a mechanism for protecting data.
When should encryption be applied to data?
Choose the best answer.
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?
Given the table below:
Which of the following boxes indicates that a Type Il error has occurred?
Which of the following would a data analyst look for first if 100% participation is needed on survey results?
Which of the following would be used to store unstructured data from different sources?
‘Which of the following is the BEST reason to use database views instead of tables?
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
An analyst is currently working on a ticket for revamping a company-wide dashboard that has been in use for five years. Which of the following should be the first step in the development process?
Which of the following best describes a business analytics tool with interactive visualization and business capabilities and an interface that is simple enough for end users to create their own reports and dashboards?
Which of the following variable name formats would be problematic if used in the majority of data software programs?
Which of the following describes the method of sampling in which elements of data are selected randomly from each of the small subgroups within a population?
TESTED 26 Apr 2024
Hi this is Romona Kearns from Holland and I would like to tell you that I passed my exam with the use of exams4sure dumps. I got same questions in my exam that I prepared from your test engine software. I will recommend your site to all my friends for sure.
Our all material is important and it will be handy for you. If you have short time for exam so, we are sure with the use of it you will pass it easily with good marks. If you will not pass so, you could feel free to claim your refund. We will give 100% money back guarantee if our customers will not satisfy with our products.
