Vendor: Hortonworks
Exam Code: APACHE-HADOOP-DEVELOPER
Exam Name: Hadoop 2.0 Certification for Pig and Hive Developer
Certification: Hortonworks Certifications
Total Questions: 60 Q&A
Updated on: Aug 09, 2025
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Which one of the following statements is FALSE regarding the communication between DataNodes and a federation of NameNodes in Hadoop 2.0?
A. Each DataNode receives commands from one designated master NameNode.
B. DataNodes send periodic heartbeats to all the NameNodes.
C. Each DataNode registers with all the NameNodes.
D. DataNodes send periodic block reports to all the NameNodes.
Which HDFS command uploads a local file X into an existing HDFS directory Y?
A. hadoop scp X Y
B. hadoop fs -localPut X Y
C. hadoop fs-put X Y
D. hadoop fs -get X Y
MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate daemons? Select two.
A. Heath states checks (heartbeats)
B. Resource management
C. Job scheduling/monitoring
D. Job coordination between the ResourceManager and NodeManager
E. Launching tasks
F. Managing file system metadata
G. MapReduce metric reporting H. Managing tasks
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