Download CompTIA Data+.DA0-001.ExamTopics.2026-09-09.368q.vcex

Vendor: CompTIA
Exam Code: DA0-001
Exam Name: CompTIA Data+
Date: Sep 09, 2026
File Size: 6 MB
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Demo Questions

Question 1
In comparison to other data types, which of the following can hold a mix of numbers and letters?
  1. Character
  2. Float
  3. Integer
  4. Alphanumeric
Correct answer: D
Question 2
Which of the following is an example of PII?
  1. Age
  2. Name
  3. Ethnicity
  4. Gender
Correct answer: B
Question 3
Which of the following descriptive statistical methods are measures of central tendency? (Choose two.)
  1. Mean
  2. Minimum
  3. Mode
  4. Variance
  5. Correlation
  6. Maximum
Correct answer: A, C
Question 4
A data analyst must separate the column shown below into multiple columns for each component of the name:
Which of the following data manipulation techniques should the analyst perform?
  1. Imputing
  2. Transposing
  3. Parsing
  4. Concatenating
Correct answer: C
Question 5
The process of performing initial investigations on data to spot outliers, discover patterns, and test assumptions with statistical insight and graphical visualization is called:
  1. a t-test.
  2. a performance analysis.
  3. an exploratory data analysis.
  4. a link analysis.
Correct answer: C
Question 6
Which of the following would be the BEST way to identify multicollinear attributes in a data set?
  1. Correlation coefficient
  2. Chi-squared test
  3. Two-sample t-test
  4. Two-way ANOVA
Correct answer: A
Question 7
Which of the following technologies would be BEST suited for creating a multiple linear regression model?
  1. Microsoft Power BI
  2. R
  3. SQL
  4. Tableau
Correct answer: B
Question 8
A company derives proprietary leads from monthly sales calls and sends them to dealers through a connection that matches the correct leads to the correct dealers Which of the following BEST describes this method?
  1. Application programming interface
  2. Public databases
  3. Survey
  4. Web scraping
Correct answer: A
Question 9
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:
  1. non-relational schema.
  2. galaxy schema.
  3. snowflake schema.
  4. star schema.
Correct answer: D
Question 10
A home builder is offering a 30% discount on condominium units. Given the table below:
Which of the following is the range of savings for the units listed in the table?
  1. $103,500 to $157,500
  2. $241,500 to $367,500
  3. $320,000 to $386,000
  4. $345,000 to $525,000
Correct answer: B
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