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NEW QUESTION 1
A data analyst created a dashboard to illustrate the traffic volume and mean response time for a call center. The traffic data is current, but the mean response time has not updated for more than an hour. Which of the following is the best way to verify the data’s freshness?
A. Refactoring the code base.
B. Testing for network connectivity issues.
C. Checking the last time the calculation script ran.
D. Determining the number of calls with no timestamps.
Answer: C
NEW QUESTION 2
A data analyst receives four files that need to be unified into a single spreadsheet for further analysis. All of the files have the same structure, number of columns, and field names, but each file contains different values. Which of the following methods will help the analyst convert the files into a single spreadsheet?
A. Merging
B. Appending
C. Parsing
D. Clustering
Answer: B
NEW QUESTION 3
Which of the following best describes the reason an analyst would reference a data dictionary versus a source’s metadata?
A. To gather information and resources about the data.
B. To find the content and specific attributes for a dataset.
C. To find a summary of basic information about the dataset.
D. To gather information about the availability of the data.
Answer: B
NEW QUESTION 4
A data analyst is following up on a recent, company-wide data audit of customer invoice data. Which of the following is the best option for the analyst to use?
A. PCI DSS
B. GDPR
C. ISO
D. PII
Answer: B
NEW QUESTION 5
A database administrator needs to implement security triggers for an organization’s user information database. Which of the following data classifications is the administrator most likely using? (Choose two.)
A. Public
B. Open
C. Sensitive
D. Non-Sensitive
E. Private
F. Encrypted
Answer: CE
NEW QUESTION 6
A business intelligence analyst is creating an employee retention dashboard that looks at data from the last five years. The analyst is interested in identifying patterns that can be studied further. Which of the following is the best method to apply to the dashboard?
A. Predictive
B. Prescriptive
C. Diagnostic
D. Descriptive
Answer: C
NEW QUESTION 7
A data analyst needs to get an accurate idea of how data components are automated. Which of the following types of documentation should the analyst review first?
A. Data flow diagram.
B. Data explainability report.
C. Data dictionary.
D. Data lineage.
Answer: A
NEW QUESTION 8
Which of the following data repositories stores unstructured and structured data?
A. Data store.
B. Data silo.
C. Data mart.
D. Data lake.
Answer: D
NEW QUESTION 9
A data analyst learns that a report detailing employee sales is reflecting sales only for the current month. Which of the following is the most likely cause?
A. Lack of permissions.
B. An error in SQL code.
C. Report refresh failure.
D. Connectivity issues.
Answer: B
NEW QUESTION 10
A data breach occurs at a company. Which of the following actions should be taken?
A. Make an announcement on social media so customers are aware as soon as possible.
B. Tell the company management team and then tell regulatory agencies.
C. Keep the incident a secret until the issue is resolved.
D. Inform the entire IT sector, and ask for discretion.
Answer: B
NEW QUESTION 11
A data analyst is evaluating all conditions in a query. Which of the following is the best logical function to accomplish this task?
A. OR
B. NOT
C. AND
D. IF
Answer: C
NEW QUESTION 12
A data analyst creates a report that identifies the middle 50% of the collected data. Which of the following best describes the analyst’s findings?
A. Interquartile range.
B. The difference between mode and median.
C. Mean variance.
D. Skewness from the slope.
Answer: A
NEW QUESTION 13
A data analyst deployed a report for public access. A user states that the report is not showing the latest information, even though the user updated the source an hour ago. Which of the following should the data analyst check first?
A. Event log.
B. User privileges.
C. Database connection.
D. Report corruption.
Answer: C
NEW QUESTION 14
A user needs a report that shows the main causes of customer churn rate in a three-year period. Which of the following methods provides this information?
A. Inferential
B. Descriptive
C. Prescriptive
D. Predictive
Answer: B
NEW QUESTION 15
Which of the following best enables the retrieval and manipulation of data that is stored in a relational database?
A. XML
B. SQL
C. Excel
D. JavaScript
Answer: B
NEW QUESTION 16
Which of the following tables holds relational keys and numeric values?
A. Fact
B. Graph
C. Dimensional
D. Transactional
Answer: A
NEW QUESTION 17
An administrator needs to design a table that will include foreign words. Which of the following is the best option for storing non-native language characters?
A. VARCHAR
B. NVARCHAR
C. CLOB
D. CHAR
Answer: B
NEW QUESTION 18
An analyst needs to create a collection of dashboards for multiple teams within their organization. Which of the following should the analyst do first before starting the project?
A. Evaluate the user persona type for the dashboards.
B. Determine the number of team members who need to access the dashboards.
C. Determine the delivery method of the dashboards.
D. Evaluate the KPIs for the dashboards.
Answer: A
NEW QUESTION 19
Which of the following file types separates data using a delimiter?
A. XML
B. HTML
C. JSON
D. CSV
Answer: D
NEW QUESTION 20
A product goes viral on social media, creating high demand. Distribution channels are facing supply chain issues because the testing and training models that are used for sales forecasting have not encountered similar demand. Which of the following best describes this situation?
A. Model bias.
B. Data drift.
C. Incorrect sizing.
D. Skewing.
Answer: B
NEW QUESTION 21
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