APACHE-HADOOP-DEVELOPERHadoop 2.0 Certification exam for Pig and Hive Developer
108 Questions and Answers Experienced specialists selected 108 questions for this exam. All answers are verified to ensure correctness.
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APACHE-HADOOP-DEVELOPER Online Practice Questions and Answers
Review the following data and Pig code.
M,38,95111
F,29,95060
F,45,95192
M,62,95102
F,56,95102
A = LOAD andapos;dataandapos; USING PigStorage(andapos;.andapos;) as (gender:Chararray, age:int,
zlp:chararray);
B = FOREACH A GENERATE age;
Which one of the following commands would save the results of B to a folder in hdfs named myoutput?
A. STORE A INTO andapos;myoutputandapos; USING PigStorage(andapos;,andapos;);
B. DUMP B using PigStorage(andapos;myoutputandapos;);
C. STORE B INTO andapos;myoutputandapos;;
D. DUMP B INTO andapos;myoutputandapos;;
What are the TWO main components of the YARN ResourceManager process? Choose 2 answers
A. Job Tracker
B. Task Tracker
C. Scheduler
D. Applications Manager
Which one of the following statements is true about a Hive-managed table?
A. Records can only be added to the table using the Hive INSERT command.
B. When the table is dropped, the underlying folder in HDFS is deleted.
C. Hive dynamically defines the schema of the table based on the FROM clause of a SELECT query.
D. Hive dynamically defines the schema of the table based on the format of the underlying data.
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