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

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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. Which one of the following classes would a Pig command use to store data in a table defined in HCatalog?

A) No special class is needed for a Pig script to store data in an HCatalog table
B) org.apache.hcatalog.pig.HCatOutputFormat
C) org.apache.hcatalog.pig.HCatStorer
D) Pig scripts cannot use an HCatalog table

2. Identify the tool best suited to import a portion of a relational database every day as files into HDFS, and generate Java classes to interact with that imported data?

A) Pig
B) Hue
C) fuse-dfs
D) Hive
E) Oozie
F) Flume
G) Sqoop

3. Given the following Pig commands:

Which one of the following statements is true?

A) The $1 variable represents the first column of data in 'my.log'
B) The severe relation is not valid
C) The $1 variable represents the second column of data in 'my.log'
D) The grouped relation is not valid

4. 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) The file will be marked as corrupted if data node B fails during the creation of the file.
D) Each data node stores a copy of the file in the local file system with the same name as the HDFS file.

5. In Hadoop 2.0, which TWO of the following processes work together to provide automatic failover of the NameNode? Choose 2 answers

A) ZooKeeper
B) ZKFailoverController
C) JournalNode
D) QuorumManager

Solutions: