MongoDB interview questions part 32
MongoDB interview questions part 32
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Total Questions: 20
1. MongoDB supports tagging a range of _______ key values to associate that range with a shard or group of shards.
Correct Answer is : shard
2. Point out the correct statement :
Correct Answer is : Hash-based sharding only supports tag-aware sharding on an entire collection
3. The _______ migrates chunks of documents in a sharded collection to the shards associated with a tag.
Correct Answer is : balancer
4. MongoDB stores tag sets in the replica set configuration object, which is the document returned by _____ .
Correct Answer is : rs.conf()
5. Point out the wrong statement :
Correct Answer is : Write concerns do not use the value of a tag to select a member except to consider whether or not the value is unique
6. By default, an application directs its ______ operations to the primary member in a replica set.
Correct Answer is : read
7. Which of the following should not be used to provide extra capacity for reads ?
Correct Answer is : secondary
8. Read preference modes are also available to clients connecting to a sharded cluster through :
Correct Answer is : mongos
9. All read preference modes except _______ may return stale data.
Correct Answer is : primary
10. Which of the following preference does not affect the visibility of data ?
Correct Answer is : read
11. On Linux the ______ manager can create a snapshot.
Correct Answer is : LVM
12. Point out the correct statement :
Correct Answer is : All of the mentioned
13. When connected to a MongoDB instance, mongodump can adversely affect ______ performance.
Correct Answer is : mongod
14. 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.
Correct Answer is : secondary
15. Point out the wrong statement :
Correct Answer is : Sharded cluster snapshots are easy to achieve with other MongoDB backup methods
16. ________ an on-premise solution, has similar functionality to the cloud version
Correct Answer is : Ops Manager
17. Ops Manager provides Ops Manager ________ and Ops Manager Backup, which helps users optimize clusters and mitigate operational risk.
Correct Answer is : Monitoring
18. Ops Manager _________ provides an interface for configuring MongoDB nodes and clusters and for upgrading your MongoDB deployment.
Correct Answer is : Automation
19. Ops Manager ______ provides scheduled snapshots and point-in-time recovery of your MongoDB replica sets and sharded clusters.
Correct Answer is : Backup
20. Sharded clusters snapshots temporarily stop the balancer via :
Correct Answer is : mongos
