InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
COPY keyspace_name.tab_name FROM STDIN |
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Answer» COPY keyspace_name.tab_name FROM STDIN |
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| 2. |
What is the optimum number of concurrent_reads per processor core? |
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Answer» What is the optimum NUMBER of concurrent_reads PER processor core? |
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| 3. |
Which among the following can be used as COPY option |
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Answer» Which among the following can be USED as COPY option |
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| 4. |
Is there any relation between the directory that hold sstables and the name of the Choose the correct option from below list |
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Answer» Is there any relation between the directory that HOLD sstables and the name of the Choose the CORRECT option from below list |
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| 5. |
Key Cassandra metrics that are important in Performance monitoring |
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Answer» Key CASSANDRA METRICS that are IMPORTANT in Performance monitoring |
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| 6. |
What is the biggest perrformance gain in cassandra write operations? |
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Answer» What is the biggest perrformance gain in cassandra write operations? |
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| 7. |
What is the optimum number of concurrent_reads per processor core ? |
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Answer» What is the optimum number of concurrent_reads PER PROCESSOR CORE ? |
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| 8. |
What kind of files can be imported or exported using the COPY command |
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Answer» What KIND of FILES can be imported or exported using the COPY command |
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| 9. |
What can also be attributed as wide-row in apache Cassandra |
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Answer» What can also be ATTRIBUTED as wide-row in APACHE Cassandra |
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| 10. |
Which among the following is a high-level goals of your Data-Model? |
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Answer» Which among the FOLLOWING is a high-level goals of your Data-Model? |
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| 11. |
Using sstableloader external data cannot be loaded into the cluster |
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Answer» USING sstableloader external DATA cannot be LOADED into the cluster Choose the CORRECT option from below list (1)False (2)True Answer:-(1)False |
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| 12. |
Which is the least verbose logging level in cassandra |
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Answer» Which is the least verbose logging level in cassandra |
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| 13. |
When do you have to avoid using secondary indexes |
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Answer» When do you have to AVOID using SECONDARY indexes |
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| 14. |
What is the best method to store row data in a sorted order ? |
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Answer» What is the best method to store row data in a sorted ORDER ? |
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| 15. |
COPY command can be used to read data |
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Answer» COPY command can be USED to read data |
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| 16. |
What is the default Partitioner in apache Cassandra cluster |
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Answer» What is the DEFAULT PARTITIONER in apache CASSANDRA cluster |
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| 17. |
What is sstableloader |
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Answer» What is sstableloader |
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| 18. |
Which among the following is undesirable in a relational data model, but not in Cassandra? |
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Answer» Which among the FOLLOWING is UNDESIRABLE in a relational DATA model, but not in Cassandra? |
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| 19. |
What is key that dictates how the rows are ordered on reads? |
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Answer» What is key that dictates how the rows are ORDERED on reads? |
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| 20. |
In cassandra consistency is achieved through consistency tuning mechanisms |
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Answer» In cassandra consistency is achieved through consistency tuning mechanisms |
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| 21. |
Which among the following is not a performance measurement tool |
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Answer» Which AMONG the following is not a PERFORMANCE measurement tool |
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| 22. |
What is the default log level used by Log4J in cassandra |
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Answer» What is the default log level used by Log4J in cassandra |
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| 23. |
What is the technique used to break through the 2 billion column limit? |
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Answer» What is the technique used to break through the 2 billion COLUMN LIMIT? |
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| 24. |
Which among the following is undesirable in a relational data model, but not in Cassandra |
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Answer» Which among the following is undesirable in a RELATIONAL data model, but not in Cassandra? |
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| 25. |
What is Replication Factor in Cassandra? |
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Answer» What is Replication FACTOR in Cassandra? |
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| 26. |
In which of the following scenarios can we use 'Wide rows'? |
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Answer» In which of the FOLLOWING scenarios can we use 'Wide rows'? |
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| 27. |
Tool that streams sstables to a live cluster |
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Answer» Tool that streams sstables to a live cluster |
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| 28. |
It is wise to use secondary indexes on the columns you want to be querying on has few unique values |
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Answer» It is wise to use secondary INDEXES on the columns you want to be querying on has few unique values |
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| 29. |
Thrift API is used either to read or write data from Cassandra |
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Answer» THRIFT API is used either to READ or write data from Cassandra Choose the correct OPTION from below two (1)TRUE (2)False Answer:-(1)True |
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| 30. |
What is the use of Source Command in Cassandra? |
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Answer» What is the use of SOURCE Command in CASSANDRA? |
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| 31. |
Which among the following is possible in cassandra-Spark combination and not delivered as a feature of cassandra alone |
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Answer» Which AMONG the following is possible in cassandra-Spark COMBINATION and not delivered as a feature of cassandra alone |
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| 32. |
____________ is used to connect Spark and Cassandra |
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Answer» ____________ is used to connect SPARK and CASSANDRA |
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| 33. |
Select the best advantage of Analytics with cassandra? |
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Answer» Select the best advantage of Analytics with cassandra? |
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| 34. |
COPY FROM is used to import datasets that have less than |
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Answer» COPY FROM is used to import datasets that have less than |
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