Explanation:If equivalence rules for keys while grouping the intermediates are different from those for grouping keys before reduction, then one may specify a Comparator. 3. ______________ is method to copy byte from input stream to any other stream in Hadoop.
A. IOUtils
B. Utils
C. IUtils
D. All of the mentioned
Answer:A
Explanation:If equivalence rules for keys while grouping the intermediates are different from those for grouping keys before reduction, then one may specify a Comparator. 3. ______________ is method to copy byte from input stream to any other stream in Hadoop.
A. IOUtils B. Utils C. IUtils D. All of the mentioned
Explanation:IOUtils class is static method in Java interface. 4. _____________ is used to read data from bytes buffers .