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Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:

1. Which HDFS command displays the contents of the file x in the user's HDFS home directory?

A) hadoop fs -cat x
B) hadoop fs -cp x
C) hdfs fs -get x
D) hadoop fs -Is x

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

A) Ability to run frameworks other than MapReduce, such as MPI.
B) Reduce complexity of the MapReduce APIs.
C) HDFS latency.
D) Single point of failure in the NameNode.
E) Resource pressure on the JobTracker.
F) Standardize on a single MapReduce API.

3. In a MapReduce job with 500 map tasks, how many map task attempts will there be?

A) At most 500.
B) It depends on the number of reduces in the job.
C) At least 500.
D) Exactly 500.
E) Between 500 and 1000.

4. Given the following Hive commands:

Which one of the following statements Is true?

A) The file mydata.txt does not move from Its current location in HDFS
B) The file mydata.txt is copied to a subfolder of /apps/hive/warehouse
C) The file mydata.txt is copied into Hive's underlying relational database 0.
D) The file mydata.txt is moved to a subfolder of /apps/hive/warehouse

5. Your client application submits a MapReduce job to your Hadoop cluster. Identify the Hadoop daemon on which the Hadoop framework will look for an available slot schedule a MapReduce operation.

A) NameNode
B) JobTracker
C) DataNode
D) Secondary NameNode
E) TaskTracker

Solutions: