E20-065 Dumps Questions New Update – Valid Study Materials

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Question 1:

What process must address acoustic ambiguity in NLP?

A. Part-of-speech tagging

B. Word sense disambiguation

C. Speech recognition

D. Discourse

Correct Answer: C

Question 2:

Which is NOT a tenet of the Apache Pig Philosophy?

A. It must be easily commanded

B. Any type of data can be processed

C. Hadoop is required

D. Data should be processed quickly

Correct Answer: D

Question 3:

What is a property of a good color model for ordinal data?

A. Uses a rainbow-like color map for distinction of categories

B. Uses a rainbow-like color map for ease of display and printing

C. Uses perceptually ordinal colors with just-noticeable increments

D. Uses perceptually ordinal colors with linear, perceptual increments

Correct Answer: D

Question 4:

Which scenario would be ideal for processing Hadoop data with Hive?

A. Structured data, real-time processing

B. Unstructured data; batch processing

C. Unstructured data; real-time processing

D. Structured data; batch processing

Correct Answer: B

Question 5:

The naive Bayer classifier is trained over 1600 movie reviews and then tested over 400 reviews.

Here is the resulting confusion matrix:

190 (TP) 10(FN)

80 (FP) 120(TN)

What are the precision, recall, and the F1-score values?

A. Precision0.95; Recall: 0704; F1-score: 0.809

B. Precision 0.613, Recall: 0.95, F1-score: 0.745

C. Precision 0.704, Recall: 0.95; F1-score: 0.809

D. Precision 0.95; Recall: 0.613; F1-score: 0.745

Correct Answer: C

Question 6:

Why would a company decide to use HBase to replace an existing relational database?

A. It is required for performing ad-hoc queries.

B. Varying formats of input data requires columns to be added in real time.

C. The company\’s employees are already fluent in SQL.

D. Existing SQL code will run unchanged on HBase.

Correct Answer: A

Question 7:

Which graph structure would best model the relationship between job seekers and employers?

A. Bipartite

B. Weighted

C. Directed acyclic

D. Ranked

Correct Answer: A

Question 8:

What is an ideal use case for HDFS?

A. Storing files that are updated frequently

B. Storing files that are written once and read many times

C. Storing results between Map steps and Reduce steps

D. Storing application files in memory

Correct Answer: B

Question 9:

A marketing team creates a graph using a square for each data point, where the length of each side is set to the data value. The data values are 10 and 20.

What is the lie factor of the graph?

A. 1

B. 2

C. 3

D. 6

Correct Answer: B

Question 10:

How does Latent Dinchlet Allocation (LDA) interpret a document?

A. As a single-predefined topic

B. As a mixture of pre-defined topics

C. As having a mixture of sentiments

D. As having a single pre-defined sentiment

Correct Answer: B

Question 11:

What advantage does replication provide while storing a file in HDFS?

A. Data protection and scheduling flexibility

B. Elimination of requirement for a combiner process

C. Elimination of requirement for Shuffle and Sort process

D. Memory optimization and minimizing tasks to run

Correct Answer: A

Question 12:

Which library is NOT part of the Apache Spark distribution?

A. MLib

B. NLTK

C. GraphX

D. Spark SQL

Correct Answer: B

Question 13:

In which step in the visualization lifecycle would you determine how the raw data is stored?

A. Visualization Planning

B. Data Preparation

C. Visualization Building

D. Discovery

Correct Answer: B

Question 14:

What runs more efficiently because of Apache Tez?

A. Pig and Hive

B. Hive and HBase

C. Yarn and Spark

D. All MapReduce jobs

Correct Answer: D

Question 15:

What is an important simu-lation design consideration?

A. Ensure model Inputs align with reality

B. Use different seed values to regenerate results

C. For rare event models, minimize number of trials

D. A complex model is better than a simple model

Correct Answer: A