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Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer Sample Questions:
1. In Hadoop 2.0, which TWO of the following processes work together to provide automatic failover of the NameNode? Choose 2 answers
A) ZKFailoverController
B) ZooKeeper
C) QuorumManager
D) JournalNode
2. Which one of the following statements describes a Hive user-defined aggregate function?
A) Operates on multiple input rows and creates a single row as output
B) Operates on a single input row and produces a table as output
C) Operates on a single input row and produces a single row as output
D) Operates on multiple input rows and produces a table as output
3. Table metadata in Hive is:
A) Stored as metadata on the NameNode.
B) Stored in ZooKeeper.
C) Stored along with the data in HDFS.
D) Stored in the Metastore.
4. Indentify which best defines a SequenceFile?
A) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in sorted order.
B) A SequenceFile contains a binary encoding of an arbitrary number of homogeneous Writable objects
C) A SequenceFile contains a binary encoding of an arbitrary number key-value pairs. Each key must be the same type. Each value must be the same type.
D) A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous Writable objects
5. Which YARN component is responsible for monitoring the success or failure of a Container?
A) NodeManager
B) ResourceManager
C) JobTracker
D) ApplicationMaster
Solutions:
| Question # 1 Answer: A,D | Question # 2 Answer: A | Question # 3 Answer: D | Question # 4 Answer: C | Question # 5 Answer: B |
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