DA0-001 exam

Which of the following is an example of a at flat file?A . CSV fileB . PDF fileC . JSON fileD . JPEG fileView AnswerAnswer: D

Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?A . Rephrase the business requirement.B . Determine the data necessary for the analysis.C . Build a mock dashboard/presentation layout.D . Perform exploratory data analysis.View AnswerAnswer: B Explanation: Exploratory data analysis (EDA) is...

Which of the following is a control measure for preventing a data breach?A . Data transmissionB . Data attributionC . Data retentionD . Data encryptionView AnswerAnswer: D Explanation: This is because data encryption is a type of control measure that prevents a data breach, which is an unauthorized or illegal...

Which of the following statistical methods requires two or more categorical variables?A . Simple linear regressionB . Chi-squared testC . Z-testD . Two-sample t-testView AnswerAnswer: B Explanation: This is because a chi-squared test is a type of statistical method that tests the association or independence between two or more categorical...