Cloudera

CCD-333 · Question #17

Which happens if the NameNode crashes?

The correct answer is A. HDFS becomes unavailable until the NameNode is restored. See the full explanation below for the reasoning.

Question

Which happens if the NameNode crashes?

Options

AHDFS becomes unavailable until the NameNode is restored.
BThe Secondary NameNode seamlessly takes over and thereisno service interruption.
CHDFSbecomes unavailable to new MapReduce jobs, but running jobs will continue until
DHDFSbecomes temporarily unavailable until an administrator starts redirecting client requests

How the community answered

(35 responses)

A
80% (28)
B
11% (4)
C
3% (1)
D
6% (2)

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