MongoDB interview questions part 42
MongoDB interview questions part 42
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Total Questions: 20
1. Setting _______ enables authentication and specifies a key file for the replica set member use to when authenticating to each other.
Correct Answer is : keyFile
2. _______ is /srv/mongodb, which specifies where MongoDB will store its data files
Correct Answer is : dbPath
3. Point out the correct statement :
Correct Answer is : None of the mentioned
4. _____ bit builds of mongod enable journaling by default.
Correct Answer is : 64
5. Which of the following provide acceptable performance levels for multiple mongod instances?
Correct Answer is : SSD
6. What is the size of Chunk by default ?
Correct Answer is : 64 MB
7. Which of the following sets the database profiler level ?
Correct Answer is : operationProfiling.mode
8. Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system ?
Correct Answer is : operationProfiling.slowOpThresholdMs
9. The mongo program can evaluate JavaScript expressions using the command line ________ option.
Correct Answer is : –eval
10. Point out the correct statement :
Correct Answer is : All shards in a cluster need to be able to communicate with all other shards to facilitate chunk and balancing operations
11. If a .mongorc.js file exists, the mongo shell will evaluate a __________ file before starting.
Correct Answer is : .mongorc.js
12. On _________ mongo.exe reads the .mongorc.js file from %HOME%.mongorc.js
Correct Answer is : Windows
13. Point out the wrong statement :
Correct Answer is : REST API does provide any support for insert, update, or remove operations
14. The HTTP interface is always available on the port numbered _________ greater than the primary mongod port.
Correct Answer is : 1000
15. The _______ API to MongoDB provides additional information and write access on top of the HTTP status interface.
Correct Answer is : REST
16. ________ instances provide query routing for sharded clusters.
Correct Answer is : mongos
17. Config servers, host the _______ database that stores metadata for sharded clusters.
Correct Answer is : config
18. Config servers listen for connections on port :
Correct Answer is : 27019
19. Use __________ to encrypt communication between mongod and mongos components of a MongoDB client as well as between all applications and MongoDB.
Correct Answer is : TLS
20. Point out the correct statement :
Correct Answer is : All of the mentioned
