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CCD-410 · Question #48
CCD-410 Question #48: Real Exam Question with Answer & Explanation
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Question
You need to perform statistical analysis in your MapReduce job and would like to call methods in the Apache Commons Math library, which is distributed as a 1.3 megabyte Java archive (JAR) file. Which is the best way to make this library available to your MapReducer job at runtime?
Options
- AHave your system administrator copy the JAR to all nodes in the cluster and set its location in the
- BHave your system administrator place the JAR file on a Web server accessible to all cluster nodes
- CWhen submitting the job on the command line, specify the -libjars option followed by the JAR file path.
- DPackage your code and the Apache Commands Math library into a zip file named JobJar.zip
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