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Exam Code:DEA-7TT2
Exam Name:Associate - Data Science and Big Data Analytics v2 Exam
Certification Provider:EMC
Free Question Number:115
Version:v2025-08-19
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Exam Question List
Question 1: In the Map Reduce framework, what is the purpose of the Map ...
Question 2: Data visualization is used in the final presentation of an a...
Question 3: You are using the Apriori algorithm to determine the likelih...
Question 4: Imagine you are trying to hire a Data Scientist for your tea...
Question 5: Before you build an ARMA model, how can you tell if your tim...
Question 6: Refer to the Exhibit. (Exhibit) In the Exhibit, the table sh...
Question 7: What is LOESS used for? Response:...
Question 8: Refer to the exhibit. (Exhibit) You have run a linear regres...
Question 9: In which lifecycle stage are appropriate analytical techniqu...
Question 10: Refer to the exhibit. (Exhibit) To predict whether or not a ...
Question 11: What is an appropriate data visualization to use in a presen...
Question 12: You fit a Logistic Regression model to your training data an...
Question 13: Data has been collected on visitors' viewing habits at a ban...
Question 14: In which phase of the data analytics lifecycle do Data Scien...
Question 15: What describes a true limitation of a Logistic Regression me...
Question 16: Which word or phrase completes the statement? Structured dat...
Question 17: Which chart type is intended to display correlations between...
Question 18: You have been assigned to perform a study of the daily reven...
Question 19: You have been assigned to perform a study of the daily reven...
Question 20: A data scientist plans to classify the sentiment polarity of...
Question 21: Which key role for a successful analytic project can consult...
Question 22: Which data asset is an example of unstructured data? Respons...
Question 23: What is the optimal usage scenario for the Hadoop Distribute...
Question 24: Which data asset is an example of semi-structured data? Resp...
Question 25: Consider a database with 4 transactions: Transaction 1: {che...
Question 26: Consider the following itemsets: (hat, scarf, coat) (hat, sc...
Question 27: What is Hadoop? Response:
Question 28: You have fit a decision tree classifier using 12 input varia...
Question 29: What is an appropriate data visualization to use in a presen...
Question 30: In linear regression modeling, which action can be taken to ...
Question 31: While having a discussion with your colleague, this person m...
Question 32: A data scientist is investigating a new database column that...
Question 33: You are analyzing data in order to build a classifier model....
Question 34: (Exhibit) You have created a Logistic Regression model to pr...
Question 35: In which phase of the analytic lifecycle would you expect to...
Question 36: You have been assigned to do a study of the daily revenue ef...
Question 37: What is a property of window functions in SQL commands? Resp...
Question 38: Which data asset is an example of quasi-structured data? Res...
Question 39: You are performing a market basket analysis using the Aprior...
Question 40: Consider the following SQL query: SELECT product_id FROM sup...
Question 41: What provides an extensive library of algorithm building too...
Question 42: What does R code nv <- v[v < 1000] do? Response:...
Question 43: You have completed your model and are handing it off to be d...
Question 44: Which SQL OLAP extension provides all possible grouping comb...
Question 45: How is dimensionality defined in a "bag of words" document r...
Question 46: When is a Wilcoxon Rank-Sum test used? Response:...
Question 47: In time series analysis, what function is examined to identi...
Question 48: What is the format of the output from the Map function of Ma...
Question 49: You submit a MapReduce job to a Hadoop cluster. Although the...
Question 50: If your intention is to show trends over time, which chart t...
Question 51: You are analyzing a time series and want to determine its st...
Question 52: You are provided four different datasets. Initial analysis o...
Question 53: The R vector "v" contains 16 elements. Which R command modif...
Question 54: Review the following code: SELECT pn, vn, sum(prc*qty) FROM ...
Question 55: Refer to the Exhibit. (Exhibit) You are going into a meeting...
Question 56: Why do the Naive Bayesian classifier implementations use the...
Question 57: Which activity is performed in the Operationalize phase of t...
Question 58: Refer to the exhibit. (Exhibit) You have scored your Naive b...
Question 59: What is a consideration when building decision trees? Respon...
Question 60: A call center for a large electronics company handles an ave...
Question 61: Consider the following SQL statement: SELECT employee_id, ye...
Question 62: If distributed Item-based Collaborative Filtering is an algo...
Question 63: When would you prefer a Naive Bayes model to a logistic regr...
Question 64: Refer to the exhibit. (Exhibit) You are asked to write a rep...
Question 65: You have just completed the Discovery phase of a project and...
Question 66: If R factors are categorical variables, which data classific...
Question 67: Refer to the exhibit. (Exhibit) You have plotted the distrib...
Question 68: What describes the data repository represented by the 'A' in...
Question 69: In a Logistic Regression, the coefficient for "age" equals -...
Question 70: When would you use a Wilcoxson Rank Sum test? Response:...
Question 71: What are the characteristics of Big Data? Response:...
Question 72: Which of the following is an example of quasi-structured dat...
Question 73: An analyst is searching a corpus of documents for the topic ...
Question 74: You need to run a hypothesis test across three normally dist...
Question 75: A study was run to identify general dietary patterns among t...
Question 76: (Exhibit) Based on the graphic, what should be done to begin...
Question 77: Which relationship holds for a confusion matrix? Response:...
Question 78: For which class of problem is Map Reduce most suitable? Resp...
Question 79: What is a key consideration when preparing a presentation in...
Question 80: (Exhibit) A data scientist is preparing a presentation for a...
Question 81: A data scientist wants to predict the probability of death f...
Question 82: Which Hadoop service is responsible for requesting resources...
Question 83: When creating a project sponsor presentation, what is the ma...
Question 84: Refer to the exhibit. (Exhibit) You are using k-means cluste...
Question 85: Which word or phrase completes the statement? Business Intel...
Question 86: What should be subtracted to remove a simple linear trend fr...
Question 87: The average purchase size from your online sales site is $17...
Question 88: You are using k-means clustering to classify heart patients ...
Question 89: There are three criterions for big data analytics projects w...
Question 90: Refer to the exhibit. (Exhibit) Which type of data issue wou...
Question 91: You are provided with the following list. Which window funct...
Question 92: Consider a database with 4 transactions: Transaction 1: {che...
Question 93: (Exhibit) The graph represents the plot of WSS as a function...
Question 94: What are challenges presented by Big Data? Response:...
Question 95: After which phase of the data analytics lifecycle should you...
Question 96: Since R factors are categorical variables, they are most clo...
Question 97: Refer to the exhibit. (Exhibit) What provides the decision t...
Question 98: A fair six-sided die is rolled. Let A denote the event that ...
Question 99: How is HDFS defined? Response:
Question 100: A Data Scientist is assigned to build a model from a reporti...
Question 101: In addition to quantitative and technical skills, what is a ...
Question 102: In a decision tree, what is an example of a pure node? Respo...
Question 103: What describes a true property of Logistic Regression method...
Question 104: You have been assigned to perform a study of the daily reven...
Question 105: What is the output format from the Map function of MapReduce...
Question 106: A data scientist is asked to implement an article recommenda...
Question 107: What is the difference between the array and list data struc...
Question 108: What is the output of the K-means clustering algorithm? Resp...
Question 109: Which component of a final presentation focuses on how to de...
Question 110: Refer to the Exhibit. (Exhibit) In the Exhibit. For effectiv...
Question 111: During a study to understand the population growth of a cert...
Question 112: Refer to the exhibit, which shows pairwise counts for items ...
Question 113: What tasks need to be completed when designing an analytic s...
Question 114: Which SQL OLAP grouping extension is used to provide hierarc...
Question 115: Refer to the exhibit. (Exhibit) What is the approximate R-sq...