What do you understand by the term data storage?
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List the common input formats used in hadoop.
what are the languages supported by apache spark for developing big data applications?
What is data processing in big data?
Name the language supported by apache spark for developing big data applications?
Define taskinstance?
What is the difference between structured data and unstructured data?
What are Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift?
What are some of the different modes used in hadoop.
Explain the core methods of a reducer?
What are the three characteristics of big data according to ibm?
Name some of the important tools useful for Big Data analytics?
What are basic steps to be performed while working with big data?