Multiple Choice
Point out the correct statement.
A) mapper maps input key/value pairs to a set of intermediate key/value pairs
B) applications typically implement the mapper and reducer interfaces to provide the map and reduce methods
C) mapper and reducer interfaces form the core of the job
D) none of the mentioned
Correct Answer:
Verified
Correct Answer:
Verified
Q8: If the IP address or hostname of
Q9: Which among the following is the duties
Q10: When a client contacts the namenode for
Q11: Data stored in _ domains doesn't require maintenance
Q12: The Hadoop list includes the HBase database,
Q14: The framework groups Reducer inputs by key
Q15: The number of reduces for the job
Q16: Which of the following disk operation is
Q17: Which of the following storage devices exposes
Q18: Point out the correct statement.<br>A)hadoop is an