Cloudera
CCD-333 · Question #50
What is a Writable?
The correct answer is B. Writable is an abstract class that all keys and values in MapReduce must extend. Classes. See the full explanation below for the reasoning.
Question
What is a Writable?
Options
- AWritable is an interface that all keys and values in MapReduce must implement. Classes
- BWritable is an abstract class that all keys and values in MapReduce must extend. Classes
- CWritable is an interface that all keys, but not values, in MapReduce must implement. Classes
- DWritable is an abstract class that all keys, but not values, in MapReduce must extend. Classes
How the community answered
(46 responses)- A7% (3)
- B80% (37)
- C11% (5)
- D2% (1)
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