MongoDB MCQ Quiz Hub

MongoDB Mcq Question Set 6

Choose a topic to test your knowledge and improve your MongoDB skills

1. mongodump and mongorestore can operate against a running _______ process.




2. For replica sets, mongodump also supports a point in time feature with the ________ option.




3. If applications modify data while mongodump is creating a backup _________ will compete for resources with those applications.




4. The MongoDB ______ supports the backing up and restoring of MongoDB deployments




5. On Linux the ______ manager can create a snapshot.




6. Point out the correct statement.




7. When connected to a MongoDB instance, mongodump can adversely affect ______ performance.




8. To mitigate the impact of mongodump on the performance of the replica set, use mongodump to capture backups from a _________ member of a replica set.




9. Point out the wrong statement.




10. ____ an on-premise solution, has similar functionality to the cloud version.




11. Ops Manager provides Ops Manager ________ and Ops Manager Backup, which helps users optimize clusters and mitigate operational risk.




12. Ops Manager _________ provides an interface for configuring MongoDB nodes and clusters and for upgrading your MongoDB deployment.




13. Ops Manager ______ provides scheduled snapshots and point-in-time recovery of your MongoDB replica sets and sharded clusters.




14. Sharded clusters snapshots temporarily stop the balancer via ________




15. Ops Manager reads directly from the Backup Blockstore database and transfers files either through _______




16. Point out the correct statement.




17. Ops Manager maintains one _____ database for each backed-up replica set.




18. The agent ships initial sync and oplog data over HTTPS back to ______




19. Backup can also create snapshots of _________ that are run as single-member replica sets.




20. Which of the following document details the state and configuration of the replica set and statistics about its members?




21. ______ captures and returns the counts of database operations by type.




22. Point out the correct statement.




23. _____ tracks and reports the current read and write activity of a MongoDB instance, and reports these statistics on a per collection basis.




24. _____ method is useful tool for identifying the database instance’s in-progress operations.




25. Point out the correct statement.




26. _______ returns a general overview of the status of the database, detailing disk usage, memory use, connection, journaling, and index access.




27. The ________ reflect the amount of storage used, the quantity of data contained in the database, and object, collection, and index counters.




28. ____ provides statistics that resemble dbStats on the collection level.




29. Replica set configuration requires that the _______ have a value that is consistent among all members of the set.




30. Point out the correct statement.




31. Setting _______ enables authentication and specifies a key file for the replica set member use to when authenticating to each other.




32. ___ is /srv/mongodb, which specifies where MongoDB will store its data files.




33. Point out the correct statement.




34. ___ bit builds of mongod enable journaling by default.




35. Which of the following provide acceptable performance levels for multiple mongod instances?




36. What is the size of Chunk by default?




37. Which of the following sets the database profiler level?




38. Which of the following document configures the threshold which determines whether a query is “slow” for the purpose of the logging system?




39. ____ contains a counter of the total number of clients with active operations in progress or queued.




40. Point out the correct statement.




41. The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources.




42. The _________ field provides the amount of resident memory in use.




43. Point out the correct statement.




44. When the TTL thread is active, you will see _______ operations in the output of db.currentOp().




45. MongoDB stores tag sets in the replica set configuration object, which is the document returned by _____




46. Which of the following represents Shared lock?




47. On Linux, use the ______ command to check if disk I/O is a bottleneck for your database.




48. Which of the following storage engine is supported by default?




49. Point out the correct statement.




50. All collections have a unique ________ lock that allows multiple clients to modify documents in different collections at the same time.