Hadoop Online Test
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The Apache Hadoop online test assesses knowledge of the Hadoop framework, how to use it to configure Hadoop clusters, and how to perform distributed processing of large data sets across clusters of computers.
The assessment includes work-sample tasks such as:
- Using MapReduce for processing large data sets.
- Working with and configuring HDFS.
- Taking advantage of Hadoop Streaming.
A good Hadoop developer or administrator should be familiar with Hadoop infrastructure, its configuration, and know how to run MapReduce operations on data sets.
Sample public questions
You are given the task of configuring a Hadoop cluster with 2 NameNode(s) and 5 DataNode(s) to handle data generated by web crawlers.
Which options are correct for the given cluster and MapReduce implementations over it?
Capital Analytics, a digital marketing research firm, plans to move its research archives to a Hadoop cluster. They have a Hadoop cluster configuration with 1 NameNode and 3 DataNode(s).
For a replication factor of 3 and the data block size of 128 MB, what will happen if we store a file called '2010_archive' that is 150 MB in size?
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Electrical Units Consumed, Click Stream, File Copy, User Analytics, Sentiment Analysis.
Skills and topics tested
- Hadoop
- MapReduce
- Hadoop Streaming
- File System
- HDFS
- HDFS Permissions
For job roles
- Big Data Engineer
- Hadoop Administrator
- Hadoop Developer
- Hadoop Tester
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What others say
Simple, straight-forward technical testing
TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.
Jan Opperman, Grindrod Bank
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