The purpose of this Sample Question Set is to provide you with information about the CompTIA Data+ exam. These sample questions will make you very familiar with both the type and the difficulty level of the questions on the DA0-002 certification test. To get familiar with real exam environment, we suggest you try our Sample CompTIA Data+ Certification Practice Exam. This sample practice exam gives you the feeling of reality and is a clue to the questions asked in the actual CompTIA Data+ certification exam.
These sample questions are simple and basic questions that represent likeness to the real CompTIA DA0-002 exam questions. To assess your readiness and performance with real time scenario based questions, we suggest you prepare with our Premium CompTIA Data+ Certification Practice Exam. When you solve real time scenario based questions practically, you come across many difficulties that give you an opportunity to improve.
CompTIA DA0-002 Sample Questions:
01. Which field should be examined FIRST when attempting to deduplicate customer records?
a) Product price
b) CustomerID
c) Timestamp
d) Currency
02. A data analyst receives requirements to create an analytical report that focuses on locations and distances as they relate to a city. Which visual element is the most appropriate for this task?
a) Map
b) Infographic
c) Storyboard
d) Gantt chart
03. Which of the following is the best place to store digital documents?
a) Data warehouse
b) Dimensional table
c) Container
d) Non-relational database
04. The sales department wants to show the composition of total sales amounts across all three sales channels in a report. Which visualization is the most appropriate?
a) Pie chart
b) Pivot table
c) Box plot
d) KPI card
05. Which of the following is a NoSQL database?
a) PostgreSQL
b) MySQL
c) MongoDB
d) Oracle
06. A data analyst receives sales data for a convenience store and needs to provide information on the products that contain chocolate. Which of the following patterns should the analyst use to filter for the chocolate products?
a) %Chocolate&
b) Chocolate!
c) Chocolate%
d) %Chocolate%
07. Which of the following supports capabilities such as automatic versioning, integrity checks, and user authentication?
a) Notebook
b) Source control
c) Pipeline
d) REST API
08. An analyst must use the same data to create reports for police patrol supervisors, the city council, and a public website. Which of the following is the best way to differentiate the reports?
a) Detail levels
b) Accessibility
c) Persona type
d) Sensitivity
09. Which method is MOST suitable for converting categorical text into numeric values for modeling?
a) Removing all categories
b) One-hot encoding
c) Aggregation
d) Random substitution
10. An administrator needs to design a table that will include foreign words. Which of the following is the best option for storing non-native language characters?
a) nvarchar
b) varchar
c) char
d) CLOB
Answers:
Question: 01
Answer: b |
Question: 02
Answer: a |
Question: 03
Answer: d |
Question: 04
Answer: a |
Question: 05
Answer: c |
Question: 06
Answer: d |
Question: 07
Answer: b |
Question: 08
Answer: c |
Question: 09
Answer: b |
Question: 10
Answer: a |
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