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Hortonworks Data Platform Certified Developer Exam Questions
- Topic 1: Import data from a table in a relational database into HDFS
- Topic 2: Write and execute a Pig script
- Topic 3: Write and execute a Hive query.
Free Hortonworks Hortonworks Data Platform Certified Developer Exam Actual Questions
Note: Premium Questions for Hortonworks Data Platform Certified Developer were last updated On Jul. 23, 2024 (see below)
You want to perform analysis on a large collection of images. You want to store this data in HDFS and process it with MapReduce but you also want to give your data analysts and data scientists the ability to process the data directly from HDFS with an interpreted high-level programming language like Python. Which format should you use to store this data in HDFS?
You have a directory named jobdata in HDFS that contains four files: _first.txt, second.txt, .third.txt and #data.txt. How many files will be processed by the FileInputFormat.setInputPaths () command when it's given a path object representing this directory?
Files starting with '_' are considered 'hidden' like unix files starting with '.'.
# characters are allowed in HDFS file names.
You want to perform analysis on a large collection of images. You want to store this data in HDFS and process it with MapReduce but you also want to give your data analysts and data scientists the ability to process the data directly from HDFS with an interpreted high-level programming language like Python. Which format should you use to store this data in HDFS?
Which HDFS command copies an HDFS file named foo to the local filesystem as localFoo?
Which HDFS command displays the contents of the file x in the user's HDFS home directory?
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