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

1. Given a directory of files with the following structure: line number, tab character, string:
Example:
1abialkjfjkaoasdfjksdlkjhqweroij
2kadfjhuwqounahagtnbvaswslmnbfgy
3kjfteiomndscxeqalkzhtopedkfsikj
You want to send each line as one record to your Mapper. Which InputFormat should you use to complete the line: conf.setInputFormat (____.class) ; ?

A) BDBInputFormat
B) SequenceFileAsTextInputFormat
C) KeyValueFileInputFormat
D) SequenceFileInputFormat

2. MapReduce v2 (MRv2/YARN) is designed to address which two issues?

A) Reduce complexity of the MapReduce APIs.
B) Single point of failure in the NameNode.
C) HDFS latency.
D) Resource pressure on the JobTracker.
E) Standardize on a single MapReduce API.
F) Ability to run frameworks other than MapReduce, such as MPI.

3. Identify the MapReduce v2 (MRv2 / YARN) daemon responsible for launching application containers and monitoring application resource usage?

A) TaskTracker
B) JobTracker
C) NodeManager
D) ApplicationMasterService
E) ResourceManager
F) ApplicationMaster

4. You have user profile records in your OLPT database, that you want to join with web logs you have already ingested into the Hadoop file system. How will you obtain these user records?

A) Pig LOAD command
B) Sqoop import
C) Ingest with Flume agents
D) Ingest with Hadoop Streaming
E) Hive LOAD DATA command
F) HDFS command

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

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

Solutions: