Crucial Exams

ISC2 CISSP Practice Question

A multinational corporation operating in North America, Europe, and Asia has just completed a merger and imported millions of customer records from three CRM systems into a central data warehouse. The consolidation revealed thousands of duplicate customer profiles, postal addresses that no longer match current postal standards, and variations in phone-number formatting by region. To improve data quality before the warehouse is used for analytics, which data maintenance practice would BEST address these issues?

  • Data cleansing

  • Data normalization

  • Data compression

  • Data encryption

ISC2 CISSP
Asset Security
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