Question-42: Which of the following statements are valid?

  1. Partition key cache “hit” save one seek during the write operations.
  2. Get all Questions and Answer from here
  3. You need to have paid subscription to access all questions
  4. Thanks for considering Python Certification Material

Ans: B,C,D,E, F

Exp: Partition key cache, partition summary and Partition index all are part of the read path. Hence, option-1 can bi discarded. And these are check one by one to find the data location.

 

Partition Key cache:

You can access to full explanation to question and answer from this page.

Details
Category: Datastax Cassandra Administrator Certification