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Hadoop · Q108

Data Ingestion with Sqoop and Flume

Programming · Hadoop · question 108

Q108

Point out the correct statement.

A.
All znodes are ephemeral, which means they are describing a "temporary" state
Answer
B.
/hbase/replication/state contains the list of RegionServers in the main cluster
C.
Offline snapshots are coordinated by the Master using ZooKeeper to communicate with the RegionServers using a two-phase-commit-like transaction
D.
None of the mentioned

Answer: Option A

Solution

Answer: Option A
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