DA0-001 Exam Questions
548 real DA0-001 exam questions with expert-verified answers and explanations. Page 1 of 11.
- Question #1Data Analysis
A data analyst needs to calculate the mean for Q1 sales using the data set below: Which of the following is the mean?
Mean CalculationDescriptive StatisticsMeasures of Central TendencyData Analysis Fundamentals - Question #2Visualization
A data analyst is creating a report that will provide information about various regions, products, and time periods. Which of the following formats would be the MOST efficient way...
DashboardsReport DeliveryInteractive ReportingData Visualization Formats - Question #3Data Analysis
A customer list from a financial services company is shown below: A data analyst wants to create a likely-to-buy score on a scale from 0 to 100, based on an average of the three nu...
Data preprocessingNormalizationFeature scalingData transformation - Question #4Data Governance, Quality, and Controls
Which of the following actions should be taken when transmitting data to mitigate the chance of a data leak occurring? (Choose two.)
Data securityEncryptionData maskingData protection - Question #5Data Analysis
A data analyst has been asked to organize the table below in the following ways: - By sales from high to low - By state in alphabetic order Which of the following functions will al...
Data organizationTable sortingData manipulation - Question #6Data Governance, Quality, and Controls
Which of the following BEST describes the issue in which character values are mixed with integer values in a data set column?
data typesdata qualitydata inconsistency - Question #7Data Concepts and Environments
Which of the following is a process that is used during data integration to collect, blend, and load data?
ETLData IntegrationData ProcessingData Loading - Question #8Data Analysis
An analyst has received the requirements for an internal user dashboard. The analyst confirms the data sources and then creates a wireframe. Which of the following is the NEXT step...
Dashboard development lifecycleStakeholder approvalWireframingData analysis workflow - Question #9Data Analysis
A data analyst has been asked to derive a new variable labeled "Promotion_flag" based on the total quantity sold by each salesperson. Given the table below: Which of the following...
Logical functionsConditional logicData transformationDeriving new variables - Question #10Data Concepts and Environments
Given the diagram below: Which of the following data schemas shown?
Relational databasesData schemasDatabase types - Question #11Data Analysis
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...
Customer segmentationRFM analysisDescriptive analyticsCluster analysis - Question #12Data Governance, Quality, and Controls
A publishing group has requested a dashboard to track submissions before publication. A key requirement is that all changes are tracked, as multiple users will be checking out docu...
Version ControlChange TrackingDashboard Display - Question #13Data Concepts and Environments
The number of phone calls that call center receives in a day is an example of:
Data typesDiscrete dataData classification - Question #14Data Analysis
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. Th...
Report typesStatic reportsBusiness reportingData presentation - Question #15Data Concepts and Environments
Which of the following would be considered non-personally identifiable information?
PIIData PrivacyData ClassificationInformation Security - Question #16Data Concepts and Environments
Which of the following is the correct data type for text?
Data typesString data typeText representation - Question #17Data Analysis
Which of the following should be accomplished NEXT after understanding a business requirement for a data analysis report?
Data analysis processBusiness requirementsData identificationProject workflow - Question #18Data Analysis
Which of the following is a common data analytics tool that is also used as an interpreted, high- level, general-purpose programming language?
Data analytics toolsPythonProgramming languages - Question #19Data Analysis
A data analyst needs to present the results of an online marketing campaign to the marketing manager. The manager wants to see the most important KPIs and measure the return on mar...
Data PresentationBusiness ReportingKPIsStakeholder Communication - Question #20Data Analysis
A data analyst for a media company needs to determine the most popular movie genre. Given the table below: Which of the following must be done to the Genre column before this task...
Data cleaningData preparationDelimitingText processing - Question #21Data Analysis
An e-commerce company recently tested a new website layout. The website was tested by a test group of customers, and an old website was presented to a control group. The table belo...
A/B TestingStatistical SignificanceConversion RatesData Interpretation - Question #22Visualization
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?
Data VisualizationChart TypesPie ChartCategorical Data - Question #23Data Analysis
Five dogs have the following heights in millimeters: 300, 430, 170, 470, 600 Which of the following is the mean height for the five dogs?
Mean calculationDescriptive statisticsArithmeticData measurement - Question #24Data Governance, Quality, and Controls
Which of the following are reasons to create and maintain a data dictionary? (Choose two.)
Data dictionaryMetadataData governanceData documentation - Question #25Data Concepts and Environments
A recurring event is being stored in two databases that are housed in different geographical locations. A data analyst notices the event is being logged three hours earlier in one...
DatabasesTime zonesData consistencyDistributed systems - Question #26Data Concepts and Environments
Which of the following is an example of a at flat file?
Flat filesCSVFile formatsData storage concepts - Question #27Data Governance, Quality, and Controls
Given the following graph: Which of the following summary statements upholds integrity in data reporting?
Data ReportingData IntegrityGraph InterpretationEthical Reporting - Question #28Data Concepts and Environments
An analyst is required to run a text analysis of data that is found in articles from a digital news outlet. Which of the following would be the BEST technique for the analyst to ap...
Web scrapingData acquisitionData extraction - Question #29Data Analysis
An analyst runs a report on a daily basis, and the number of datapoints must be validated before the data can be analyzed. The number of datapoints increases each day by approximat...
Percentage increaseData validationQuantitative analysis - Question #30Visualization
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....
Visualization techniquesHeat mapsUser interaction dataData representation - Question #31Data Analysis
An analyst has generated a report that includes the number of months in the first two quarters of 2019 when sales exceeded $50,000: Which of the following functions did the analyst...
Data Analysis FunctionsLogical FunctionsConditional Statements - Question #32Data Governance, Quality, and Controls
While reviewing survey data, an analyst notices respondents entered "Jan," "January," and "01" as responses for the month of January. Which of the following steps should be taken t...
Data consistencyData cleaningData qualityData standardization - Question #33Data Governance, Quality, and Controls
Which of the following data cleansing issues will be fixed when a DISTINCT function is applied?
Data cleansingDISTINCT functionDuplicate dataData quality - Question #34Data Concepts and Environments
A county in Illinois is conducting a survey to determine the mean annual income per household. The county is 427sq mi (2.65q km). Which of the following sampling methods would MOST...
Sampling MethodsRepresentative SampleSurvey BiasData Collection - Question #35Data Analysis
Which of the following statistical methods requires two or more categorical variables?
Statistical testsChi-squared testCategorical variablesHypothesis testing - Question #36Data Concepts and Environments
Which of the following data manipulation techniques is an example of a logical function?
Logical functionsData manipulationConditional logic - Question #37Visualization
A sales team wants visibility of current sales numbers, pipeline, and team performance. The team would also like to see calculations of individuals' earned commissions and projecte...
DashboardsData VisualizationData ConfidentialityData Currency - Question #38Data Concepts and Environments
Which of the following is a characteristic of a relational database?
Relational DatabasesDatabase CharacteristicsKey-Value DatabasesData Storage Types - Question #39Data Analysis
A data analyst is asked on the morning of April 9, 2020, to create a sales report that identifies sales year to date. The daily sales data is current through the end of the day. Wh...
Year to date (YTD)Date rangesData currencyReporting requirements - Question #40Data Governance, Quality, and Controls
Given the following data tables: Which of the following MDM processes needs to take place FIRST?
Master Data Management (MDM)Data StandardizationData QualityData Governance - Question #41Data Analysis
Which of the following is used for calculations and pivot tables?
Microsoft ExcelSpreadsheet softwareData calculationsPivot tables - Question #42Data Governance, Quality, and Controls
Given the following report: Which of the following components need to be added to ensure the report is point-in-time and static? (Choose two.)
Report metadataData qualityReport integrityStatic reporting - Question #43Data Governance, Quality, and Controls
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.)
Data qualityData validationData integrityData consistency - Question #44Data Analysis
A research analyst wants to determine whether the data being analyzed is connected to other datapoints. Which of the following is the BEST type of analysis to conduct?
Link analysisData relationshipsTypes of analysis - Question #45Data Concepts and Environments
Which of the following variable name formats would be problematic if used in the majority of data software programs?
Variable NamingData StandardsProgramming Basics - Question #46Data Analysis
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?
sampling methodssystematic samplingdata collection - Question #47Data Concepts and Environments
Given the following customer and order tables: Which of the following describes the number of rows and columns of data that would be present after performing an INNER JOIN of the t...
SQLDatabase JoinsRelational DatabasesData Querying - Question #48Data Analysis
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 p...
Average calculationCost estimationQuantitative analysisBusiness metrics - Question #49Data Governance, Quality, and Controls
Which of the following is a control measure for preventing a data breach?
Data securityEncryptionSecurity controlsData breach prevention - Question #50Visualization
A user receives a large custom report to track company sales across various date ranges. The user then completes a series of manual calculations for each date range. Which of the f...
DashboardsData VisualizationReporting AutomationUser Experience