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

1. Which YARN component is responsible for monitoring the success or failure of a Container?

A) ApplicationMaster
B) JobTracker
C) NodeManager
D) ResourceManager

2. MapReduce v2 (MRv2/YARN) splits which major functions of the JobTracker into separate
daemons? Select two.

A) Managing tasks
B) Job scheduling/monitoring
C) MapReduce metric reporting
D) Launching tasks
E) Resource management
F) Job coordination between the ResourceManager and NodeManager
G) Managing file system metadata
H) Heath states checks (heartbeats)

3. You want to Ingest log files Into HDFS, which tool would you use?

A) Flume
B) Sqoop
C) HCatalog
D) Ambari

4. A NameNode in Hadoop 2.0 manages ______________.

A) A single namespace
B) No namespaces
C) Two namespaces: an active namespace and a backup namespace
D) An arbitrary number of namespaces

5. A client application creates an HDFS file named foo.txt with a replication factor of 3. Identify which best describes the file access rules in HDFS if the file has a single block that is stored on data nodes A, B and C?

A) The file can be accessed if at least one of the data nodes storing the file is available.
B) Each data node locks the local file to prohibit concurrent readers and writers of the file.
C) Each data node stores a copy of the file in the local file system with the same name as the HDFS file.
D) The file will be marked as corrupted if data node B fails during the creation of the file.

Solutions: