Objective 1.2 Understand Challenges CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 2)

Questions 6–10

1. 6expert · hard

   A European bank wants to build a credit risk model using customer transaction data. The data includes personal data such as names, account balances, and transaction histories. The bank's legal team has determined that legitimate interest is a valid lawful basis. However, the data science team wants to use the data for a secondary purpose: developing a marketing model for new financial products. What must the bank do?

   • AObtain explicit consent from all customers for the marketing model
   • BConduct a legitimate interest assessment to ensure the secondary use is compatible with the original purpose
   • CUse the data for marketing without further assessment because legitimate interest covers all internal uses
   • DAnonymize the data before using it for marketing
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   In a data science project, which of the following is an example of a milestone?

   • ACompleting the data cleaning phase
   • BHolding a team meeting
   • CWriting a line of code
   • DChoosing the programming language for the project
   Reveal Solution Discussion Select an answer first
4. 8expert · hard

   A data scientist at a research institute is collaborating with a retail company on a customer behavior study. The retail company's data is stored in a secure data warehouse, and the data scientist needs access to purchase history data. The retail company's legal team requires a data sharing agreement. What should the data scientist do first?

   • AAccess the data warehouse directly using the institute's credentials
   • BWork with the retail company's data governance team to complete the data sharing agreement and obtain formal approval
   • CRequest a copy of the data from a colleague who has access
   • DUse publicly available purchase data instead
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   Under GDPR, what is the term for the legal basis that allows processing of personal data when the data subject has clearly agreed to the processing?

   • AData portability
   • BContractual necessity
   • CConsent
   • DLegitimate interest
   Reveal Solution Discussion Select an answer first
6. 10foundation · easy

   Which of the following is a key component of data governance policies?

   • ADesigning the user interface of the application
   • BWriting code for data analysis
   • CDefining data ownership and accountability
   • DSetting up the network infrastructure
   Reveal Solution Discussion Select an answer first