You need to have _________ installed before running ZooKeeper.
a) Java
b) C
c) C++
d) SQLGUI
Q.2.
Point out the correct statement.
a) All znodes are ephemeral, which means they are describing a “temporary” state
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
Q.3.
How many types of special znodes are present in Zookeeper?
a) 1
b) 2
c) 3
d) All of the mentioned
Q.4.
To register a “watch” on a znode data, you need to use the _______ commands to access the current content or metadata.
a) stat
b) put
c) receive
d) gets
Q.5.
Point out the wrong statement.
a) All the znodes are prefixed using the default /hbase location
b) ZooKeeper provides an interactive shell that allows you to explore the ZooKeeper state
c) The znodes that you’ll most often see are the ones that coordinate operations like Region Assignment
d) All of the mentioned
Q.6.
_______ has a design policy of using ZooKeeper only for transient data.
a) Hive
b) Imphala
c) Hbase
d) Oozie
Q.7.
Zookeeper keep track of the cluster state such as the ______ table location.
a) DOMAIN
b) NODE
c) ROOT
d) All of the mentioned
Q.8.
The ________ master will register its own address in this znode at startup, making this znode the source of truth for identifying which server is the Master.
a) active
b) passive
c) region
d) all of the mentioned
Q.9.
___________ is used to decommission more than one RegionServer at a time by creating sub-znodes.
a) /hbase/master
b) /hbase/draining
c) /hbase/passive
d) None of the mentioned
Q.10.
The ______ znode is used for synchronizing the changes made to the _acl_ table by the grant/revoke commands.
a) zcl
b) acl
c) scl
d) bnl
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