DEA-7TT2 BRAINDUMPS - DEA-7TT2 CERTIFICATION TEST ANSWERS

DEA-7TT2 Braindumps - DEA-7TT2 Certification Test Answers

DEA-7TT2 Braindumps - DEA-7TT2 Certification Test Answers

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EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q110-Q115):

NEW QUESTION # 110
Consider a database with 4 transactions:
Transaction 1: {cheese, bread, milk}
Transaction 2: {soda, bread, milk}
Transaction 3: {cheese, bread}
Transaction 4: {cheese, soda, juice}
You decide to run the association rules algorithm where minimum support is 50%. Which rule has a confidence at least 50%?
Response:

  • A. {cheese} => {bread}
  • B. {milk} => {soda}
  • C. {juice} => {cheese}
  • D. {soda} => {milk}

Answer: A


NEW QUESTION # 111
What is a motivation for using a data analytics lifecycle?
Response:

  • A. Limits the amount of data needed
  • B. Creates a repeatable process
  • C. Explores all possible approaches
  • D. Guarantees a successful project

Answer: B


NEW QUESTION # 112
Refer to the exhibit.

To predict whether or not a customer will renew their annual property insurance policy, an insurance company built and operationalized a naive Bayes classification model.
In the model, there are two class labels, renewal and non-renewal, that are assigned to each customer based on their attributes. A subset of the key attributes, their values, and corresponding conditional probabilities are provided in the exhibit.
A customer has the following attributes:
- Age is greater than 65 years
- Owns their own home
- Renewal month is August
If 20% of customers do not renew their policies every year, what is the score for a non-renewal in the naive Bayesian model for the customer described above?
Response:

  • A. 0.0002
  • B. 0.0004
  • C. 0.0020
  • D. 0.0040

Answer: B


NEW QUESTION # 113
What is the output format from the Map function of MapReduce?
Response:

  • A. Key-value pairs
  • B. Unique key record and separate records of all possible values
  • C. Compressed index
  • D. Binary representation of keys concatenated with structured data

Answer: A


NEW QUESTION # 114
Which participant in a data analytics project is typically responsible for assessing the validity of the model?
Response:

  • A. Project manager
  • B. Business user
  • C. Data scientist
  • D. Project sponsor

Answer: C


NEW QUESTION # 115
......

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