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Reliable EMC DEA-7TT2 Exam Cost & Reliable DEA-7TT2 Test Objectives

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EMC DEA-7TT2 Certification Exam is a comprehensive exam that covers a wide range of topics. DEA-7TT2 exam is divided into four main sections: data science concepts, big data analytics, data mining, and machine learning. Each section contains a number of questions that are designed to test the candidate’s knowledge and skills in that particular area. DEA-7TT2 exam is multiple-choice and requires candidates to answer 60 questions in 90 minutes.

EMC DEA-7TT2 certification exam is designed to test the skills and knowledge of professionals working in the fields of data science and big data analytics. DEA-7TT2 Exam is designed to test the proficiency of candidates in deploying and managing big data environments, identifying and analyzing data sets, and implementing high-performance algorithms. Associate - Data Science and Big Data Analytics v2 Exam certification provides candidates with a strong foundation in the use of big data analytics tools, techniques and frameworks, and enables them to work with big data in real-world environments.

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EMC DEA-7TT2 (Associate - Data Science and Big Data Analytics v2) Exam is designed to test the knowledge and skills required to work with big data analytics and data science technologies. DEA-7TT2 exam focuses on various aspects of big data analytics, including data mining, machine learning, statistical analysis, and data visualization. It also covers the use of big data tools such as Hadoop, Spark, and NoSQL databases.

EMC Associate - Data Science and Big Data Analytics v2 Exam Sample Questions (Q168-Q173):

NEW QUESTION # 168
When would you prefer a Naive Bayes model to a logistic regression model for classification?
Response:

A. When some of the input variables might be correlated.
B. When all the input variables are numerical.
C. When you are using several categorical input variables with over 1000 possible values each.
D. When you need to estimate the probability of an outcome, not just which class it is in.

Answer: C

NEW QUESTION # 169
You have created a scatterplot of two continuous variables for 2000 records. You want to add a line to the scatterplot to check linearity of the dat a. Which function would best address this need?
Response:

A. hist()
B. glm()
C. abline()
D. lm()

Answer: C

NEW QUESTION # 170
What is an appropriate data visualization to use in a presentation to a project sponsor?
Response:

A. Density Plot
B. Bar Chart
C. Box and Whisker Plot
D. Pie Chart

Answer: B

NEW QUESTION # 171
After which phase of the data analytics lifecycle should you determine if the model is robust enough?
Response:

A. Data preparation
B. Model building
C. Discovery
D. Operationalize

Answer: B

NEW QUESTION # 172
A business colleague who is new to Hadoop approaches you with a question. The colleague wants to know the best approach to access their dat a. The colleague has previously worked extensively with SQL and databases.
Which query interface should be recommended?
Response:

A. Howl
B. Pig
C. Hive
D. HBase

Answer: C

NEW QUESTION # 173
......

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