Backup Quiz

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💾 Cassandra Administration – Backup

20 questions · 15 min timer · Explanations included · Free

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What is the recommended method for restoring a single table from a snapshot in Cassandra?

Use the 'cqlsh' command to import the table from the snapshot.

Directly copy the SSTables of the table from the snapshot directory.

Restore the entire keyspace and delete unwanted tables.

Use the 'nodetool refresh' command after copying SSTables.

None

The recommended method is to copy the SSTables of the table from the snapshot directory and use the 'nodetool refresh' command to make the data available, following best practices for table-level restoration.

Which of the following is a best practice when performing a backup of a Cassandra cluster?

Distribute backup operations across multiple nodes to minimize impact.

Disable all read operations during the backup process.

Use a single node to perform backups to reduce complexity.

Perform backups during peak usage times for consistency.

None

Distributing backup operations across multiple nodes minimizes the impact on any single node, aligning with best practices for maintaining cluster performance during backups.

Which command is used to take a snapshot of a specific keyspace in Cassandra?

nodetool backup -k

nodetool snapshot -t

cqlsh snapshot

nodetool save -s

None

The 'nodetool snapshot -t ' command is used to take a snapshot of a specific keyspace, following the standard procedure for snapshot management.

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