DA0-001 Exam Questions
548 real DA0-001 exam questions with expert-verified answers and explanations. Page 7 of 11.
- Question #306Data Governance, Quality, and Controls
Given the following data table: Which of the following are appropriate reasons to undertake data cleansing? (Select two).
Data CleansingData QualityInvalid DataRedundant Data - Question #307Data Analysis
A data analyst must fulfill a request for information that is needed weekly and should be automatically emailed to a specific set of users. Which of the following types of reports...
report typesoperational reportsdata reportingautomated reporting - Question #308Data Analysis
A data analyst needs to create a master file that includes customer information from the tables below: Given the three tables above, the analyst wants to filter down the informatio...
Data preparationData integrationData deduplicationData pipeline optimization - Question #309Visualization
An analyst is designing a dashboard that will provide a story of the sales and sales customer ratio. The following data is available: Which of the following charts should the analy...
Data visualizationChart selectionColumn chartDashboard design - Question #310Data Concepts and Environments
Which of the following describes the use of a representative amount of data from a main repository?
Data samplingRepresentative dataData subsets - Question #311Data Concepts and Environments
Which of the following is the best description of discrete data types?
Data TypesDiscrete DataData Classification - Question #312Data Governance, Quality, and Controls
Which of the following data governance concepts fits into the security requirements category?
Data governanceSecurity requirementsData transmission securityInformation security - Question #313Visualization
A stakeholder wants to see daily sales targets organized in a dashboard by country, state, city, and ZIP Code. Which of the following delivery considerations must a data analyst ta...
Dashboard designData visualizationDrill-downHierarchical data - Question #314Data Analysis
Which of the following should an analyst do to best summarize the data on a data set?
Data summarizationData aggregationData analysis techniquesData manipulation - Question #315Data Concepts and Environments
Which of the following data types must be used when working with variables that require classification into two or more groups before analysis?
Data typesCategorical dataVariablesData classification - Question #316Data Concepts and Environments
An organization would like to add a secondary email field to its customer database in order toenrich the customer profiles. Which of the following data manipulation techniques shou...
Data manipulationData enrichmentDatabase merge operationsData integration - Question #317Data Concepts and Environments
Which of the following is the best variable formal to store a customer's age using the least possible amount of storage data?
Data typesStorage efficiencyInteger data type - Question #318Data Analysis
A gambler thinks that a coin is fair and is equally likely to turn up heads or tails when the coin is flipped. Which of the following tests should the gambler use to fest this hypo...
Hypothesis testingChi-squared testStatistical testsCategorical data analysis - Question #319Data Analysis
An analyst needs to summarize the number of people in Chicago in 2022 using the following set of data: Which of the following steps should the analyst use to provide results? (Choo...
Data FilteringData AggregationData Summarization - Question #320Data Analysis
An analyst wants to combine two data sets into a single spreadsheet. Column names from the first spreadsheet are listed in rows in the second spreadsheet. Which of the following is...
Data preparationData wranglingTranspose operationData restructuring - Question #321Data Analysis
Which of the following programming languages are best suited for analysis and machine-learning applications? (Choose two.)
Programming LanguagesData AnalysisMachine LearningPython R - Question #322Data Mining
Which of the following is most likely to be used as a data-mining ETL tool?
ETLData IntegrationData Mining ToolsSSIS - Question #323Data Concepts and Environments
A company notifies its employees that emails will be automatically moved to a cloud-based server in 180 days. Which of the following describes this concept?
Data retentionCloud storageEmail dataData management - Question #324Data Analysis
An analyst wants to check the progress and performance regarding the number of customers an organization served in the last six years. Which of the following represents the type of...
Trend analysisData analysis typesPerformance tracking - Question #325Data Governance, Quality, and Controls
A business unit made the following modification to the values in a table: Which of the following data quality dimensions was applied in this scenario?
Data qualityData accuracyData dimensions - Question #326Visualization
A reporting analyst is creating a dashboard that shows the year-over-year performance for a sales organization. Which of the following is the best visual for the analyst use to ill...
VisualizationLine chartTime-series dataPerformance analysis - Question #327Data Concepts and Environments
Which of the following query statements would be used when filtering data in a relational database management system? (Choose two.)
SQLData FilteringDatabase QueriesRelational Databases - Question #328Data Concepts and Environments
Which of the following is an object associated with a table that sorts and stores table row data in a key-value pair?
Database conceptsIndexesClustered indexTable structure - Question #329Data Analysis
An analyst is working with a data set that lists individuals' first and last names in separate columns. Which of the following processes should the analyst use to combine the first...
Data preparationText functionsConcatenationData manipulation - Question #330Data Analysis
A data analyst reviews the following data set: Which of the following is the range value?
Descriptive statisticsData rangeStatistical measuresData analysis fundamentals - Question #331Data Governance, Quality, and Controls
An analyst collected data that includes primary account numbers, expiration dates, and service codes. Which of the following data governance classifications is used to describe thi...
Data ClassificationData GovernancePayment Card Industry (PCI)Sensitive Data - Question #332Visualization
An analyst in a consumer bank department wants to showcase the concentration of accounts opened in the United States by ZIP Code to describe the effectiveness of the bank's marketi...
Data visualizationGeographic mapsChart selectionSpatial data - Question #333Data Analysis
A data analyst needs to write a SOL query measuring last month's website visits and distribute a summary report to the marketing team. Which of the following is the analyst creatin...
SQL queryingData reportingBusiness reportsData analysis output - Question #334Data Analysis
A data analyst is helping a retail store categorize its customers into five different groups based on the following information: - How recently the customers made purchases - How f...
Customer SegmentationRFM AnalysisData SelectionAnalytical Data Fields - Question #335Data Concepts and Environments
Which of the following is a relational database?
Relational DatabasesSQLDatabase Types - Question #336Data Concepts and Environments
An analyst wants to extract data from a variety of sources and store the data in a cloud-based environment prior to cleaning. Which of the following integration techniques should t...
ELTData IntegrationCloud ComputingData Loading - Question #337Data Governance, Quality, and Controls
A data analyst needs to apply quality control concepts to a data set for accuracy. Which of the following is the best way to do this?
Data qualityAccuracyQuality controlCross-validation - Question #338Data Analysis
A client has requested an analysis of all pet care items purchased by current customers and their social media connections in the past 12 months. Which of the following data analys...
Link analysisData analysis techniquesSocial network analysisCustomer behavior - Question #339Data Analysis
Which of the following is the best approach to use to gain a general understanding of a data set?
Descriptive statisticsData explorationData summarization - Question #340Data Governance, Quality, and Controls
A salesperson who is prospecting potential clients collected the following data: Which of the following is an issue with this data?
Data qualityData issuesInvalid dataData validation - Question #341Data Analysis
Given the following table: Which of the following methods is the best way to describe the changes in the values in the table?
Statistical measuresData variabilityDescriptive statisticsRange - Question #342Data Governance, Quality, and Controls
During data cleansing, an analyst conducts measures of central tendency on a data set. Which of the following data is the analyst attempting to identify?
Data CleansingMeasures of Central TendencyOutliersData Quality - Question #343Data Concepts and Environments
An analyst needs to determine the appropriate data type for the following sample data: Sample data collected: 5.99 Which of the following data types should be used for this data?
Data typesFloating-point numbersData representation - Question #344Data Analysis
Which of the following types of analysis is used when comparing last week's sales to the previous week's sales?
Data analysis typesTrend analysisTime series dataBusiness analysis - Question #345Data Governance, Quality, and Controls
Which of the following data protection methods provides confidentiality for data in transit?
Data protectionEncryptionConfidentialityData in transit security - Question #346Data Analysis
A business intelligence team wants to create a new dashboard in order to solve a problem statement. Which of the following is the correct order of steps the team should take?
Dashboard creationBusiness intelligence processData project lifecycleData validation - Question #347Data Concepts and Environments
A column is being used to store strings of variable lengths. Performance is a concern, so the column needs to use as little space as possible. Which of the following data types bes...
Database data typesStorage optimizationVariable-length strings - Question #348Data Analysis
A data analyst has been asked to create one table that has each employee's first name, last name, sales, and address. The sales and addresses are listed in the tables below: Which...
Data manipulationData integrationData mergingConcatenation - Question #349Data Analysis
Which of the following types of analyses should be used to evaluate the connections and anomalies in a data set when either known patterns are being violated or new patterns are em...
Graph analysisAnomaly detectionPattern discoveryData analysis techniques - Question #350Data Analysis
Which of the following data manipulation techniques should an analyst use to hide unnecessary data during analysis?
Data manipulationFilteringData analysis techniques - Question #351Data Concepts and Environments
An analyst wants to create a historical data set for the past five years with each year in its own data set. Which of the following methods is the best way to create this historica...
Data appendData combinationDataset merging - Question #352Data Governance, Quality, and Controls
A data set for sales per month includes the following data: Which of the following cleaning and profiling methods should be applied to the data set?
Data cleaningData profilingData qualityData type validation - Question #353Data Governance, Quality, and Controls
The total values in this month's revenue report are twice as much as last month's. Which of the following most likely occurred during the ETL process?
ETL processData qualityReporting errorsData integration - Question #354Data Governance, Quality, and Controls
An analyst is reporting on the average income for a county and is reviewing the following data: Which of the following is the reason the analyst would need to cleanse the data in t...
Data CleansingData OutliersData QualityDescriptive Statistics - Question #355Data Concepts and Environments
A company wants to know how its customers interact with an e-commerce website based on clicks over items. Which of the following is the primary requirement for this report?
Data requirementsReportingE-commerce analyticsWeb analytics