ITGSS Certified Advanced Professional: Data Analyst Practice Exam

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• True or False: A data worker has more access to data compared to a data analyst.
• Which tool in Excel provides robust options for data transformation?
• What does the term 'data integrity' refer to?
• What is typically not considered structured data?
• Why is having a license critical for viewing organizational information?
• You want to add education level to your Income Survey data set. In what order should you sort the data?
• How can you save time when working on charts?
• Why should organizations regularly audit access permissions?
• What best describes predictive analytics?
• What does the term 'big data' refer to?
• What is the purpose of the 'Group By' operation in Power Query?
• When should you use Merge queries?
• What is cross-validation used for in model evaluation?
• What is the purpose of using a template for charts?
• What is the difference between primary and secondary data?
• What does a clean and complete master data list facilitate for an organization?
• What is one of the key roles of an analyst concerning data security?
• What is the key difference between embed and link in data management?
• Which of the following is not considered a reusable data set?
• What does the introduction of a data analysis report typically provide?
• What can changing the case of data (upper, lower, etc.) in a dataset be categorized as?
• What is the purpose of data profiling?
• Which of the following is a common method to analyze the impact of changes in data?
• What encompasses the concept of data governance?
• In what scenario would an embedded chart be preferable to a linked chart?
• What does the term 'data architecture' refer to?
• What does 'data-driven decision making' involve?
• Which of the following statements is true regarding spaces as delimiters?
• A file not directly linked to a live data set is referred to as what type of file?
• What type of analysis is best for determining changes in income as education levels increase?
• What is the primary use of Select queries in data analytics?
• In Power Query, where are the changes made to data tracked?
• What is the primary purpose of using pivot tables in data analysis?
• What is the difference between supervised and unsupervised learning?
• What is the easiest way to receive feedback on a noninteractive dashboard mock-up?
• What is an important consideration when designing a dashboard?
• What is NOT considered a logical function in Excel?
• What is structured data?
• Why is data ethics important in analytics?
• What is the main benefit of using data visualization tools?
• What does a cross join accomplish when multiple tables are brought into a query?
• What type of data would most likely benefit from normalization?
• What is something you will discover in the design of tables as a data analyst?
• Are spaces considered valid delimiters in data processing?
• When is it appropriate to use a distinct query?
• Which of the following statements about audit trails is true?
• In data visualization, what does a stacked bar chart primarily display?
• Which of the following best describes the role of permissions in data access?
• What function do slicers serve in a Power BI Dashboard?
• What type of data includes customer and address information?
• Which feature in Power BI automatically attempts to detect relationships?
• Why is it essential for data analysts to have skills in data visualization?
• What is the primary function of A/B testing in the field of data analysis?
• What is true regarding mockups and wireframes?
• What are the two core functions that Power BI offers to data analysts?
• Why is data visualization considered important?
• In data, how are numbers aligned by default?
• What role does statistical significance play in data analysis?
• Data storytelling primarily focuses on which of the following aspects?
• Which practice is considered critical when reviewing table design?
• How is Microsoft SQL Server classified?
• Which skill is crucial for a successful data analyst in terms of data interpretation?
• What is an essential factor for maintaining data integrity during access restrictions?
• What programming language is used when recording macros in Microsoft Office?
• What type of data representation is characterized by its ability to fit into tables and spreadsheets?
• Which statement is true about automated reporting tools?
• What is the significance of using filters in SQL?
• Which option would you select to find out what percentage a value is of the total?
• When should you use a pivot table in data analysis?
• Which of the following is a rule of Master Data Management?
• What are SQL joins primarily used for?
• What command in Excel can immediately show duplicated data?
• What is the primary method to restrict access to organizational data visualization?
• In data analytics, what does noise refer to?
• What type of analysis is facilitated by the application of date tables in data reporting?
• Which command is used to create aggregated data sets in Power Query?
• What might happen if you forget to set Unique Values in Access to Yes?
• What type of data requires contextual interpretation?
• Which tool in Power Query is used to reshape data by flipping its dimensions?
• In Power Query, which built-in function can be used to create a status field for orders over 30 days?
• What does RDBMS stand for?
• What is an example of data cleaning and transformation?
• Which element can be part of a strategy to manage data access effectively?
• In the context of data security, what is a common technical barrier?
• What is the objective of using statistical algorithms in predictive analytics?
• In data analysis, the term "data lens" refers to:
• You have multiple datasets to export and need them to be combined into a single file. What command should you use?
• What function does Merge Columns replace in Excel?
• What is hypothesis testing used for in statistics?
• Which of the following methods can be used to identify outliers in a dataset?
• What is one way to ensure a meeting is productive as a data analyst?
• Before analyzing a new data set, what should a data analyst do?
• Which role generally requires the most advanced mathematical and programming skills?
• Which role typically has the highest level of technical experience?
• Which of the following visual elements is important for a dashboard?
• Your data set shows survey results of your website visitors. What information can you quickly view by using column profile?
• What is the primary benefit of using segmentation in data analysis?
• Why are business rules important in data management?
• What is the first step you should take before adding artifacts to a dashboard?
• What is the concept of hard filter in dashboarding?
• What does the term 'data storytelling' refer to?
• Which of the following best describes a flat file?
• What consequence occurs if a user does not possess the appropriate license for a data visualization?
• You want a visual of products on backorder, products received damaged, and products returned to vendors. What is a good chart type to use?
• What does parsing text involve?
• Effective documentation in data projects primarily serves what purpose?
• What is meant by a ‘data pipeline’?
• Which of the following is a benefit of using cloud-based data storage?
• Which of the following is not considered a data soft skill?
• Which of the following is an example of unstructured data?
• Why would you create an ad hoc report?
• What should you do to the headers on a new sheet tab to enhance data presentation?
• What is one way to enhance data access security?
• Which of the following statements is true regarding data access management?
• What is the significance of cohort analysis in data analytics?
• Why would you use custom sorting?
• What is a key characteristic of data transformation in data analytics?
• What is the primary function of a data engineer?
• What is the first step when working with data in Excel?
• What defines a data warehouse?
• How can a data model be best described?
• What should be the first step when data project numbers do not match expectations?
• Maintaining your original data set provides you with which benefit?
• Knowing the statistical significance of any data point or set represents what type of truth?
• What is a histogram?
• Which of the following best describes how technical barriers function in data access?
• In data processing, what is the key aspect when performing the 'Transform' stage of ETL?
• What defines a bundle sale in a business rule context?
• To find out which year had the highest percentage of sales for a product, what method should you use with a pivot table?
• Which of the following commands helps to combine text values in Excel?
• When should you look at a sample of the data while learning a new database?
• What is displayed by default in the tooltip of any visual created?
• When should an outer join be preferred over an inner join in data queries?
• What is the primary goal of data normalization in databases?
• What is the equivalent command in Power Query for changing the case to proper in Excel?
• What does segmenting data involve?
• To ensure every date in a time period is represented when querying transactions, which type of join should you use?
• What does changing Unique Values in the Access Property Sheet from No to Yes do before running a query?
• What ensures that Master Data Management leads to accurate data listings?
• What is an effective practice to ensure only authorized personnel access sensitive visuals?
• What is regression analysis primarily used for?
• What kind of visual representations can data visualization tools create?
• What is an ad hoc report?
• Adding a filter directly to a visual is an example of _____.
• What does the Conditional Column function in Power Query allow you to do?
• What does the acronym ETL stand for in data processing?
• What are key performance indicators (KPIs)?
• When data analysts activate their data analysis capabilities, they are said to turn on their _____.
• What is the purpose of data classification?
• If you want to visualize data line by line in a pivot table, you can _____.
• How does the column titled Customer Type relate to business rules?
• What role do SQL databases play in data analysis?
• What does machine learning enable systems to do in data analysis?
• Which of the following best describes an Update query?
• What is the primary benefit of using licenses in data visualization?
• Which of the following is not a valid data type?
• What is the significance of connecting to data in a database during analysis?
• Which of the following is an example of data cleaning?
• What does a correlation coefficient measure?
• What is semi-structured data?
• What is one of the key ways to validate your queries in a data set?
• What does the role of data engineer primarily focus on?
• What does the term ‘data lineage’ signify?
• What is one of the best initial sources to consult when starting a new data project?
• What is a common output of regression analysis?
• What is the primary role of SQL in data analysis?
• Which of the following are best practices for being effective in a meeting?
• What is a key characteristic of master data?
• What components are included in effective data governance?
• What is the primary purpose of data cleaning?
• What are data visualization tools used for?
• Which element is not necessarily included in a dashboard's default settings?
• In the context of data analysis, what does methodology refer to?
• What is multivariate analysis used for?
• Who are Data Architects in the context of data management?
• In data analysis, which term refers to data that is extraneous and does not contribute to the reporting?
• Which of these would NOT be considered a technical barrier to accessing organizational data?
• A PDF of an organization's annual report would be considered what type of data?
• Which two main functions does Power BI serve?
• What is a consequence of failing to implement appropriate permissions?
• Which method could you use to visualize categories in a dataset effectively?
• What type of query is used to update data fields in a database?
• Which statements are required in a basic SQL query?
• How are data anomalies characterized?
• What is the primary use of a scatter plot?
• How should you include a 2021 year-end sales chart in a PowerPoint presentation from Excel?
• What type of report is best for displaying an extensive list of data?
• What is one of the final steps before publishing your dashboard?
• What is a consequence of not defining a Customer Type in business rules?
• When dealing with survey data, which method helps in viewing the distribution of responses?
• What does the Central Limit Theorem state regarding sample distributions?
• What is a benefit of building basic visuals early on in data analysis?
• What does exploratory data analysis (EDA) typically involve?
• Which type of join should you use to connect records in tables that match with fields in other tables?
• Which term describes a measure of an organization's production?
• What is the first step to perform a regression analysis?
• How are descriptive statistics used in data analysis?
• How can your company easily apply its brand color to visuals?
• Is it necessary for a data analyst to manually calculate every math calculation needed?
• What is a critical component of every data role?
• Which components are typically included in a data analysis report?
• What is the main purpose of data mining?
• Which command in Excel allows you to easily highlight duplicate values?
• Which of the following is not considered a type of data?
• Which of the following responsibilities is NOT typically associated with a data analyst?
• What is a data lake?
• Which aspect of dashboard design allows users to filter displayed data effectively?
• What does a basic SQL query allow you to do?