Hortonworks Exam HDPCD Topic 1 Question 44 Discussion

Actual exam question for Hortonworks's HDPCD exam

Question #: 44
Topic #: 1

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?

AFour, all files will be processed

BThree, the pound sign is an invalid character for HDFS file names

CTwo, file names with a leading period or underscore are ignored

DNone, the directory cannot be named jobdata

EOne, no special characters can prefix the name of an input file

Show Suggested Answer

Suggested Answer: C

Files starting with '_' are considered 'hidden' like unix files starting with '.'.

# characters are allowed in HDFS file names.

by Jovita at Oct 03, 2023, 07:22 PM

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