Describe the Technological Challenges Posed by Big Data DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   Which Big Data characteristic refers to the speed at which data is generated and the need to process it quickly, often in real time or near-real time?

   • AVolume
   • BVeracity
   • CVelocity
   • DVariety
   Reveal Solution Discussion Select an answer first
2. 2foundation · easy

   Which Big Data characteristic focuses on the potential to derive meaningful insights and business value from data?

   • AVeracity
   • BVolume
   • CValue
   • DVelocity
   Reveal Solution Discussion Select an answer first
4. 3foundation · easy

   Which of the following is a challenge in data governance for Big Data?

   • ADefining clear data ownership and accountability across the organization.
   • BEnsuring data is accessible to all employees.
   • CEnsuring data is stored in a single format.
   • DEnsuring data is stored in the cloud.
   Reveal Solution Discussion Select an answer first
5. 4foundation · easy

   Which of the following is a common challenge when managing massive datasets?

   • AData storage costs are always negligible.
   • BData is always stored in a consistent format.
   • CData is automatically backed up without any effort.
   • DData organization and indexing for fast access.
   Reveal Solution Discussion Select an answer first
6. 5application · medium

   A media company collects video files, metadata, and viewer comments. They currently store everything in a single shared file system, and it is becoming difficult to find files, manage access permissions, and track data lineage. What is the most appropriate solution to address this storage and management challenge?

   • AImplement a data lake with a catalog that indexes all data and manages metadata.
   • BStore all data in a single relational database.
   • CUse a simple naming convention for all files.
   • DDelete old video files to reduce the amount of data to manage.
   Reveal Solution Discussion Select an answer first