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Hortonworks Apache-Hadoop-Developer Exam Syllabus Topics:

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

1. What does Pig provide to the overall Hadoop solution?

A) Legacy language Integration with MapReduce framework
B) Simple scripting language for writing MapReduce programs
C) Database table and storage management services
D) C++ interface to MapReduce and data warehouse infrastructure

2. What data does a Reducer reduce method process?

A) All data for a given value, regardless of which mapper(s) produced it.
B) All data produced by a single mapper.
C) All the data in a single input file.
D) All data for a given key, regardless of which mapper(s) produced it.

3. Which one of the following statements is true about a Hive-managed table?

A) Hive dynamically defines the schema of the table based on the format of the underlying data.
B) Hive dynamically defines the schema of the table based on the FROM clause of a SELECT query.
C) When the table is dropped, the underlying folder in HDFS is deleted.
D) Records can only be added to the table using the Hive INSERT command.

4. Indentify which best defines a SequenceFile?

A) 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.
B) A SequenceFile contains a binary encoding of an arbitrary number of WritableComparable objects, in sorted order.
C) A SequenceFile contains a binary encoding of an arbitrary number of homogeneous Writable objects
D) A SequenceFile contains a binary encoding of an arbitrary number of heterogeneous Writable objects

5. Which one of the following statements regarding the components of YARN is FALSE?

A) A client application submits a YARW job to the ResourceManager
B) The ResourceManager is responsible for scheduling and allocating resources
C) A Container executes a specific task as assigned by the ApplicationMaster
D) The ResourceManager monitors and restarts any failed Containers

Solutions: