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CompTIA Data+ DA0-002 (V2) Practice Question

Your organization's pricing engine must adjust product prices every 15 minutes based on the most current foreign-exchange rates. The data must arrive in a machine-readable format with minimal latency and no manual intervention. Which type of data source should the data analyst recommend to meet these requirements?

  • Daily CSV file containing exchange rates delivered via secure FTP (SFTP)

  • Automated web-scraping script that parses an HTML table of rates from the source website

  • System log files generated by the pricing engine and archived in a log analytics platform

  • Application programming interface (API) that returns the rates in JSON on demand

CompTIA Data+ DA0-002 (V2)
Data Concepts and Environments
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