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Cassandra searches the __________ to determine the approximate location on disk of the index entry.

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Cassandra searches the __________ to determine the approximate location on disk of the index entry.

(a) partition record

(b) partition summary

(c) partition search

(d) all of the mentioned

The question was posed to me in an internship interview.

Query is from Cassandra with Hadoop topic in portion ZooKeeper, Sqoop and Cassandra of Hadoop

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Correct option is (b) partition summary

The best I can explain: If the Bloom filter does not rule out the SSTable, Cassandra checks the partition key cache.

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