Hortonworks Hadoop 2.0 Certification exam for Pig and Hive Developer : Apache-Hadoop-Developer

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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) ResourceManager
B) JobTracker
C) NodeManager
D) ApplicationMaster

2. Which project gives you a distributed, Scalable, data store that allows you random, realtime read/write access to hundreds of terabytes of data?

A) Pig
B) HBase
C) Sqoop
D) Flume
E) Hue
F) Hive
G) Oozie

3. When is the earliest point at which the reduce method of a given Reducer can be called?

A) As soon as a mapper has emitted at least one record.
B) As soon as at least one mapper has finished processing its input split.
C) Not until all mappers have finished processing all records.
D) It depends on the InputFormat used for the job.

4. What types of algorithms are difficult to express in MapReduce v1 (MRv1)?

A) Algorithms that require global, sharing states.
B) Text analysis algorithms on large collections of unstructured text (e.g, Web crawls).
C) Algorithms that require applying the same mathematical function to large numbers of individual binary records.
D) Relational operations on large amounts of structured and semi-structured data.
E) Large-scale graph algorithms that require one-step link traversal.

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

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

Solutions: