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E20-065 Exam Dumps : Advanced Analytics Specialist Exam for Data Scientists

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Advanced Analytics Specialist Exam for Data Scientists Questions and Answers

Question 1

How can you improve processing performance in HIVE?

Options:

A.

Partition tables

B.

Run the SET hive.exec.parallel = false command

C.

Ensure highly normalized tables and use joins

D.

Minimize bucketing

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Question 2

What runs more efficiently because of Apache Tez?

Options:

A.

Pig and Hive

B.

Hive and HBase

C.

Yarn and Spark

D.

All MapReduce jobs

Question 3

A hotel chain runs a simul-ation on room pricing. They want to estimate revenue, per hotel, within +/- $10 with 95% confidence (Za/2=1.96). The estimated revenue standard deviation is $5000 based on previous booking data.

What is the optimal number of simulation trials to run?

    Options:

    A.

    A 32-bit operating system was used

    B.

    The same number of trials was used

    C.

    A linear congruential generator (LCG) was used (or pseudo-random number generation

    D.

    Different seeds tor the random number generator were used.