Question 11 : ________ are a way of encoding structured data in an efficient yet extensible format.
1. Thrift
2. Protocol Buffers
3. Avro
4. None of the mentioned
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Question 12 : With ______ we can store data and read it easily with various programming languages
1. Thrift
2. Protocol Buffers
3. Avro
4. None of the mentioned
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Question 13 : __________ facilitates construction of generic data-processing systems and languages.
1. Untagged data
2. Dynamic typing
3. No manually-assigned field IDs
4. All of the mentioned
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Question 14 : Avro schemas are defined with _____
1. JSON
2. XML
3. JAVA
4. All of the mentioned
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Question 15 : __________ tools is used to generate proxy objects in Java to easily work with the objects.
1. Lucene
2. kafka
3. MapReduce
4. Avro
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Question 16 : The ________ method in the ModelCountReducer class “reduces” the values the mapper collects into a derived value
1. count
2. add
3. reduce
4. all of the mentioned
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Question 17 : ____________ class accepts the values that the ModelCountMapper object has collected.
1. AvroReducer
2. Mapper
3. AvroMapper
4. None of the mentioned
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Question 18 : The ____________ class extends and implements several Hadoop-supplied interfaces.
1. AvroReducer
2. Mapper
3. AvroMapper
4. None of the mentioned
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Question 19 : The ____________ is an iterator which reads through the file and returns objects using the next() method.
1. DatReader
2. DatumReader
3. DatumRead
4. None of the mentioned
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Question 20 : Avro schemas describe the format of the message and are defined using :
1. JSON
2. XML
3. JS
4. All of the mentioned
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