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Apache-Hadoop-Developer – Hadoop 2.0 Certification exam for Pig and Hive Developer

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Showing 1–3 of 10 questions

Question 1

Which Two of the following statements are true about hdfs? Choose 2 answers

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    An HDFS file that is larger than dfs.block.size is split into blocks
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    Blocks are replicated to multiple datanodes
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    HDFS works best when storing a large number of relatively small files
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    Block sizes for all files must be the same size
Question 2

MapReduce v2 (MRv2/YARN) is designed to address which two issues?

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    Single point of failure in the NameNode.
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    Resource pressure on the JobTracker.
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    HDFS latency.
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    Ability to run frameworks other than MapReduce, such as MPI.
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    Reduce complexity of the MapReduce APIs.
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    Standardize on a single MapReduce API.
Question 3

Which two of the following are true about this trivial Pig program' (choose Two)

C:\Users\Chaudhry\Desktop\1.jpg

Select all that apply, then click Submit answer.

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    The contents of myfile appear on stdout
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    Pig assumes the contents of myfile are comma delimited
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    ABC has a schema associated with it
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    myfile is read from the user's home directory in HDFS