Objective 1.2 Understand Challenges CERTIFIED-DATA-SCIENCE-PRACTITIONER Practice Questions (Page 8)

Questions 36–40

1. 36foundation · easy

   Which of the following best describes the primary purpose of a milestone in a data science project?

   • ATo assign tasks to team members
   • BTo mark a specific point in time that indicates progress toward the project goal
   • CTo define the final deliverable of the project
   • DTo list all the data sources needed for the project
   Reveal Solution Discussion Select an answer first
2. 37foundation · easy

   Which of the following best describes a minimum viable product (MVP) in a data science context?

   • AA document outlining the project's milestones
   • BA fully optimized model with all possible features
   • CA small-scale experiment to test technical feasibility
   • DA version of the solution with the minimum features needed to be useful and testable
   Reveal Solution Discussion Select an answer first
4. 38application · medium

   A data science team is working on a customer lifetime value prediction model. The project plan includes a review point after the feature engineering phase where the team will present the engineered features to business stakeholders for approval before model training. What is this review point called?

   • AA milestone
   • BA proof of concept
   • CA data governance policy
   • DA minimum viable product
   Reveal Solution Discussion Select an answer first
5. 39foundation · easy

   Which of the following is an appropriate step to obtain proper permission and access to stakeholder data?

   • ASubmit a formal data access request outlining the purpose and scope
   • BDownload the data from a public repository without checking licensing
   • CUse a colleague's login credentials to access the data
   • DAsk the IT department to bypass security controls
   Reveal Solution Discussion Select an answer first
6. 40application · medium

   A data science team is building a churn prediction model. The project plan includes a checkpoint after the data cleaning phase where the team will review the quality of the prepared dataset with business stakeholders before proceeding to model training. How should this checkpoint be classified in the project plan?

   • AA proof of concept that tests the model's predictive accuracy
   • BA data governance policy that defines data ownership
   • CA milestone that marks the completion of a significant phase and allows for stakeholder review
   • DA minimum viable product that can be released to end users
   Reveal Solution Discussion Select an answer first