MongoDB interview questions part 24
MongoDB interview questions part 24
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Total Questions: 20
1. The ________ settings of replica set members affect the outcomes of elections for primary.
Correct Answer is : priority
2. Point out the correct statement:
Correct Answer is : The value of the member’s priority setting determines the member’s priority in elections
3. To modify priorities, you update the members _________ in the replica configuration object.
Correct Answer is : array
4. The _________ shell method can force the current primary to step down, which causes an election.
Correct Answer is : rs.reconfig()
5. Point out the wrong statement :
Correct Answer is : Before an election the primary opens all open client connections
6. If the oplog is shorter than the slaveDelay window, the _______ member cannot successfully replicate operations.
Correct Answer is : delayed
7. _________ members allow you to add additional members for read distribution beyond the maximum seven voting members.
Correct Answer is : Non-voting
8. Remove the secondary from the replica set by calling ___________ method.
Correct Answer is : rs.remove()
9. ______ returns basic help text for replica set functions.
Correct Answer is : rs.help()
10. __________ prints a report of the status of the replica set from the perspective of the secondaries.
Correct Answer is : rs.printSlaveReplicationInfo()
11. Which of the following pattern is best for static trees that do not change ?
Correct Answer is : None of the mentioned
12. Point out the correct statement :
Correct Answer is : $regex is used for regular expression pattern matches
13. Which of the following operations are atomic on document level ?
Correct Answer is : all of the mentioned
14. ___________ bulk indexes may be more efficient for some kinds of content and workloads in real time.
Correct Answer is : Asynchronous
15. Point out the correct statement :
Correct Answer is : An array with a large number of elements will incur greater indexing costs on insertion
16. ________ indexes can include any field whose value is a string or an array of string elements.
Correct Answer is : text
17. Which of the following is related to document that do not provide a way to weight results?
Correct Answer is : Ranking
18. Which of the following is related to document that provide support for synonym or related queries in the application layer ?
Correct Answer is : Synonyms
19. Which of the following is related to parsing of document for root ?
Correct Answer is : Stemming
20. To add structures to your document to support keyword-based queries add the keywords as ______ in the array.
Correct Answer is : strings
