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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 of the following tool was designed to import data from a relational database into HDFS?

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

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

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

3. Which TWO of the following statements are true regarding Hive? Choose 2 answers

A) Useful for data analysts familiar with SQL who need to do ad-hoc queries
B) Is a relational database
C) Offers real-time queries and row level updates
D) Allows you to define a structure for your unstructured Big Data

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) Each data node stores a copy of the file in the local file system with the same name as the HDFS file.
B) The file can be accessed if at least one of the data nodes storing the file is available.
C) The file will be marked as corrupted if data node B fails during the creation of the file.
D) Each data node locks the local file to prohibit concurrent readers and writers of the file.

5. Given the following Pig command:
logevents = LOAD 'input/my.log' AS (date:chararray, levehstring, code:int, message:string);
Which one of the following statements is true?

A) The logevents relation represents the data from the my.log file, using a comma as the parsing delimiter
B) The logevents relation represents the data from the my.log file, using a tab as the parsing delimiter
C) The first field of logevents must be a properly-formatted date string or table return an error
D) The statement is not a valid Pig command

Solutions: