DASCA Senior Data Scientist 認定 SDS 試験問題:
1. Which of the following statements is correct?
A) Apache claimed that Spark is able to run parallel jobs 50 times faster in memory and 5 times faster on disk in comparison to the traditional Hadoop MapReduce
B) Apache claimed that Spark is able to run parallel jobs 1000 times faster in memory and 100 times faster on disk in comparison to the traditional Hadoop MapReduce
C) Apache claimed that Spark is able to run parallel jobs 100 times faster in memory and 10 times faster on disk in comparison to the traditional Hadoop MapReduce
D) Apache claimed that Spark is able to run parallel jobs 10 times faster in memory and 100 times faster on disk in comparison to the traditional Hadoop MapReduce
2. Which of the following is NOT Structured data?
A) Data tables
B) Relational databases
C) None of the above
D) XML
E) CSV files
3. Which of these statements reflects a null hypothesis?
A) Men will score higher than women on spatial awareness
B) As temperature increases, so too will the level of aggression
C) Women will score higher than men on empathy
D) There will be a significant difference between group 1 and group 2
E) There will be no relationship between caffeine consumption and performance
4. Which of the following is TRUE for Business Metamorphosis?
A) The Business Metamorphosis phase is where organizations integrate the insights that they captured about their customers' usage patterns, product performance behaviors, and overall market trends to transform their business models
B) The Business Metamorphosis phase helps drive an organization's core business model through the analytic insights gathered as the organization traverses the Big Data Business Model Maturity Index
C) Both A and C
D) All of the above
E) Business Metamorphosis exercise can uncover Big Data requirements around decisions, analytics and data sources that can be leveraged to transform or metamorphose your organization's business model
5. Example of amortized performance is:
A) HDFS dictionaries
B) Hadoop dictionaries
C) Python dictionaries
D) All of the above
E) MapReduce dictionaries
質問と回答:
| 質問 # 1 正解: C | 質問 # 2 正解: D | 質問 # 3 正解: E | 質問 # 4 正解: D | 質問 # 5 正解: C |














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