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Hadoop Input Output Operations MCQ question and answer with solution | Hadoop MCQs

Learn Hadoop Input Output Operations MCQ Questions and answers with easy and logical explanations in hadoop. Hadoop Input Output Operations MCQ question provides all type of technical mcq questions which is important for technical exams, campus exams and other entrance examination. Page-7 section-1

61
Avro schemas are defined with . . . . . . . .
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Answer & Solution
Answer: Option A
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62
The HDFS file system is temporarily unavailable whenever the HDFS . . . . . . . . is down.
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Answer: Option B
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63
. . . . . . . . typically compresses files to within 10% to 15% of the best available techniques.
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Answer: Option B
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64
Point out the correct statement.
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Answer: Option A
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65
Automatic restart and . . . . . . . . of the NameNode software to another machine is not supported.
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Answer: Option A
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66
The . . . . . . . . as just the value field append(value) and the key is a LongWritable that contains the record number, count + 1.
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Answer: Option B
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67
The . . . . . . . . file is populated with the key and a LongWritable that contains the starting byte position of the record.
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Answer: Option B
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68
Which of the following is a primitive data type in Avro?
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Answer: Option D
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69
Which of the following compression is similar to Snappy compression?
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Answer: Option A
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70
Apache Hadoop . . . . . . . . provides a persistent data structure for binary key-value pairs.
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Answer: Option B
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