A number of constants used in the client ZooKeeper API were renamed in order to reduce ________ collision.(a) value(b) namespace(c) counter(d) none of the mentionedI had been asked this question in unit test.I need to ask this question from Introduction to Zookeeper in section ZooKeeper, Sqoop and Cassandra of Hadoop

A number of constants used in the client ZooKeeper API were renamed in

1.	A number of constants used in the client ZooKeeper API were renamed in order to reduce ________ collision.(a) value(b) namespace(c) counter(d) none of the mentionedI had been asked this question in unit test.I need to ask this question from Introduction to Zookeeper in section ZooKeeper, Sqoop and Cassandra of Hadoop
Answer» Right choice is (b) namespace To EXPLAIN: ZOOKEEPER-18 REMOVED KeeperStateChanged, USE KeeperStateDisconnected INSTEAD.

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