Cloudera

CCD-333 · Question #52

All keys used for intermediate output from mappers must do which of the following:

The correct answer is B. Implement WritableComparable. Cloudera CCD-333 Exam

HBase Data Manipulation (CRUD)

Question

All keys used for intermediate output from mappers must do which of the following:

Options

AOverrideisSplitable
BImplement WritableComparable
CBe a subclass of Filelnput-Format
DUse a comparator for speedy sorting
EBe compressed using a splittable compression algorithm.

How the community answered

(21 responses)

B
76% (16)
C
14% (3)
D
5% (1)
E
5% (1)

Explanation

Cloudera CCD-333 Exam

Topics

#WritableComparable#mapper output keys#serialization#sorting

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