Data Quality (Accuracy) CDPSE Practice Questions (Page 3)

Questions 11–15

1. 11application · medium

   A retail company's customer database contains a 'last purchase date' field. The privacy team wants to monitor the accuracy of this field over time. Which approach is most appropriate?

   • ASet up an automated alert when the last purchase date is more than 90 days old.
   • BCalculate the average last purchase date for each customer segment.
   • CPeriodically compare a sample of last purchase dates against transaction logs from the point-of-sale system.
   • DRequire customers to confirm their last purchase date when they log in.
   Reveal Solution Discussion Select an answer first
2. 12application · medium

   A healthcare organization maintains a patient portal where individuals can update their contact information. The privacy team is concerned that self-reported data may contain errors. Which approach best assesses the accuracy of the phone numbers in the portal?

   • ACheck that all phone number fields contain the expected number of digits and use a valid area code.
   • BVerify that the phone numbers are consistent with the phone numbers stored in the billing system.
   • CCompare a sample of portal phone numbers against the phone numbers recorded in the organization's authoritative electronic health record system.
   • DAsk patients to confirm their phone numbers during their next appointment.
   Reveal Solution Discussion Select an answer first
4. 13application · medium

   A hospital is implementing a new patient intake process. The privacy team wants to ensure that patient demographics are accurate from the start. Which control is most effective?

   • AHave a staff member manually enter the data from a paper form.
   • BRequire patients to provide a government-issued ID, and scan it to auto-populate the demographic fields.
   • CAsk patients to verbally confirm their demographics at each visit.
   • DAllow patients to update their demographics through an online portal without verification.
   Reveal Solution Discussion Select an answer first
5. 14expert · hard

   A company is implementing a new CRM system. The privacy team wants to ensure that data migrated from the old system is accurate. Which approach is most effective?

   • AMigrate the data as-is and rely on the new system's validation rules to catch errors.
   • BMigrate the data and then ask customers to verify their information.
   • COnly migrate data that is less than one year old.
   • DPerform a data quality assessment on the source data before migration, and clean it based on identified issues.
   Reveal Solution Discussion Select an answer first
6. 15expert · hard

   A data protection officer discovers that a legacy system has been feeding inaccurate data into a new customer database for months. The inaccuracies affect thousands of records. What is the most appropriate first step?

   • ANotify all affected data subjects of the inaccuracies.
   • BStop the data feed from the legacy system and assess the extent of the inaccuracies.
   • CDelete all records that came from the legacy system.
   • DImmediately correct all affected records using the legacy system's data.
   Reveal Solution Discussion Select an answer first