Free DASCA SDS Exam Dumps Questions & Answers

Which of the following is the most important part of Hadoop?

• A.  Spark Framework
• B.  MapReduce Framework
• C.  Both B and C
• D.  Hadoop Distributed File System (HDFS)
• E.  Both A and B

Semi-structured data does NOT include:

• A.  Database system
• B.  Schema-full data
• C.  File systems
• D.  Scientific data

Which of the following is correct about customer lifetime value (CLTV)?
i. Most organizations determine the current customer lifetime value (CLTV) based on historic sales over past
12 to 18 months
ii. The goal of the CLTV score is to help marketing and store personnel to determine the "value" of a customer

• A.  Both i and ii
• B.  Only ii
• C.  Only i

Designing an algorithm to play chess is usually an example of which type of machine learning?

• A.  Supervised learning
• B.  Clustering
• C.  Pattern density
• D.  Reinforcement learning

Business Intelligence (BI) is:

• A.  BI focuses on "What happened?"
• B.  BI focuses on reporting on the future state of the business
• C.  Both B and C
• D.  BI focuses on descriptive analytics
• E.  Both A and B