Explain Data Management Practices DA0-001 Practice Questions (Page 4)

Questions 16–19

1. 16application · easy

   A data analyst creates a monthly sales report using a database that has no documentation. The analyst interprets a column named 'net_sales' as revenue after returns. Later, the finance team reveals that 'net_sales' actually means revenue before discounts. What is the most significant consequence of this documentation gap?

   • AThe report will be slightly delayed while the analyst corrects the mistake
   • BThe database will need to be restructured to fix the column name
   • CThe analyst will be unable to access the database in the future
   • DThe report will contain inaccurate data that could mislead business decisions
   Reveal Solution Discussion Select an answer first
2. 17foundation · easy

   Which challenge is associated with poor data documentation?

   • AEnhanced data lineage visibility.
   • BIncreased difficulty in onboarding new team members.
   • CReduced need for data governance.
   • DSimplified data integration processes.
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A data governance team is implementing a process to manage changes to a master customer database. The requirement is that every change must be traceable to a specific request, reviewed by a data steward, and reversible if a problem is found. Which combination of practices best satisfies this requirement?

   • AA change management workflow with approval gates and database transaction logs
   • BDirect write access for all data stewards with a shared spreadsheet log
   • CVersion control for the database schema only
   • DAutomated ETL job with a nightly full refresh
   Reveal Solution Discussion Select an answer first
5. 19application · medium

   A healthcare analytics team creates a new dataset combining patient records with clinical trial results. The team wants to ensure that future analysts can understand the data's origin, meaning, and limitations. According to documentation standards best practices, what should the team create?

   • AA data dictionary listing field names and data types
   • BA README file with a brief description of the dataset
   • CA comprehensive metadata document including source, transformations, definitions, and known issues
   • DA data lineage diagram only
   Reveal Solution Discussion Select an answer first