Cassandra Upgrade from V3 to V4 Quiz

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⬆️ Cassandra Administration – Cassandra Upgrade from V3 to V4

20 questions · 15 min timer · Explanations included · Free

What is the purpose of running 'nodetool cleanup' after upgrading to Cassandra V4?

To verify the integrity of the data.

To reclaim disk space from deleted data.

To optimize the Java heap size.

To remove unnecessary data files.

None

Running 'nodetool cleanup' helps reclaim disk space from deleted data and is particularly useful after changes in the cluster topology or upgrade.

Which tool is recommended for verifying data consistency after upgrading Cassandra from V3 to V4?

nodetool repair

nodetool verify

nodetool status

nodetool scrub

None

Running 'nodetool repair' helps ensure data consistency across the cluster after an upgrade, especially if there were any inconsistencies before the upgrade.

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