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DEA-7TT2 Learning Material: Associate - Data Science and Big Data Analytics v2 Exam & DEA-7TT2 Practice Test
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EMC DEA-7TT2 Certification Exam is a two-hour exam that consists of 60 multiple-choice questions. DEA-7TT2 exam is conducted online, and candidates can take the exam from anywhere in the world. To pass the exam, candidates must score at least 60% on the exam. Associate - Data Science and Big Data Analytics v2 Exam certification is valid for two years, after which the candidate must renew their certification by taking the current version of the exam or a higher-level certification.
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DEA-7TT2 Test Question - DEA-7TT2 Premium Exam
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EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q168-Q173):
NEW QUESTION # 168
Which word or phrase completes the statement; "A theater actor is to 'artistic and expressive' as a data scientist is to."?
Response:
- A. Introverted and technical
- B. Communicative and collaborative
- C. Logical and steadfast
- D. Independent and intelligent
Answer: B
NEW QUESTION # 169
You are using MADlib for Linear Regression analysis. Which value does the statement return?
SELECT (linregr(depvar, indepvar)).r2 FROM zeta1;
Response:
- A. P-value
- B. Goodness of fit
- C. Coefficients
- D. Standard error
Answer: B
NEW QUESTION # 170
What is the output format from the Map function of MapReduce?
Response:
- A. Binary representation of keys concatenated with structured data
- B. Unique key record and separate records of all possible values
- C. Compressed index
- D. Key-value pairs
Answer: D
NEW QUESTION # 171
Which relationship holds for a confusion matrix?
Response:
- A. Recall = 1 - False Positive Ratio
- B. Recall = 1 - False Negative Ratio
- C. Precision = 1 - False Negative Ratio
- D. Precision = 1 - False Positive Ratio
Answer: B
NEW QUESTION # 172
In addition to less data movement and the ability to use larger datasets in calculations, what is a benefit of analytical calculations in a database?
Response:
- A. more efficient handling of categorical values
- B. quicker time to insight
- C. full use of data aggregation functionality
- D. improved connections between disparate data sources
Answer: B
NEW QUESTION # 173
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