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Hortonworks HADOOP-PR000007 Exam Syllabus Topics:

Hortonworks-Certified-Apache-Hadoop-2.0-Developer(Pig and Hive Developer) Sample Questions:

Question 1

Which HDFS command copies an HDFS file named foo to the local filesystem as localFoo?

A. hadoop fs -Is foo
B. hadoop -cp foo LocalFoo
C. hadoop fs -get foo LocalFoo
D. hadoop fs -put foo LocalFoo

Question 2

Your cluster's HDFS block size in 64MB. You have directory containing 100 plain text files, each of which
is 100MB in size. The InputFormat for your job is TextInputFormat. Determine how many Mappers will
run?

A. 100
B. 640
C. 64
D. 200

Question 3

You want to perform analysis on a large collection of images. You want to store this data in HDFS and
process it with MapReduce but you also want to give your data analysts and data scientists the ability to
process the data directly from HDFS with an interpreted high-level programming language like Python.
Which format should you use to store this data in HDFS?

A. HTML
B. XML
C. Avro
D. SequenceFiles
E. CSV
F. JSON

Question 4

You have the following key-value pairs as output from your Map task:

A. Two
B. Six
C. Four
D. Five
E. Three
F. One

Question 5

Consider the following two relations, A and B.

What is the output of the following Pig commands?
X = GROUP A BY S1; DUMP X;

A. Option A
B. Option C
C. Option D
D. Option B

Solutions: