MongoDB interview questions part 26
MongoDB interview questions part 26
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Total Questions: 20
1. To get a correct snapshot of a running mongod process, you must have _________ enabled.
Correct Answer is : journaling
2. Point out the correct statement :
Correct Answer is : All of the mentioned
3. The _______ tool reads data from a MongoDB database and creates high fidelity BSON files.
Correct Answer is : mongodump
4. If your storage system does not support snapshots, you can copy the files directly using :
Correct Answer is : cp
5. Point out the wrong statement :
Correct Answer is : MMS achieves point in time recovery by storing oplog data
6. The _________ tool can populate a MongoDB database with the data from these BSON files.
Correct Answer is : mongorestore
7. mongodump and mongorestore can operate against a running _______ process
Correct Answer is : mongod
8. For replica sets, mongodump also supports a point in time feature with the ________ option
Correct Answer is : –oplog
9. If applications modify data while mongodump is creating a backup, _________ will compete for resources with those applications.
Correct Answer is : mongodump
10. The MongoDB ______ supports the backing up and restoring of MongoDB deployments.
Correct Answer is : Cloud Manager
11. Ops Manager reads directly from the Backup Blockstore database and transfers files either through :
Correct Answer is : HTTPS
12. Point out the correct statement :
Correct Answer is : The amount of oplog to keep per backup is configurable and affects the time window available for checkpoint and point-in-time restores
13. Ops Manager maintains one _____ database for each backed-up replica set
Correct Answer is : head
14. The agent ships initial sync and oplog data over HTTPS back to:
Correct Answer is : Ops Manager
15. Point out the wrong statement :
Correct Answer is : MMS achieves point in time recovery by storing oplog data
16. If your storage system does not support snapshots, you can copy the files directly using :
Correct Answer is : cp
17. Backup can also create snapshots of _________ that are run as single-member replica sets.
Correct Answer is : standalones
18. Ops Manager _________ provides an interface for configuring MongoDB nodes and clusters and for upgrading your MongoDB deployment.
Correct Answer is : Automation
19. _________ allows only one agent of each type per machine and will remove additional agents.
Correct Answer is : Automation
20. Sharded clusters snapshots temporarily stop the balancer via :
Correct Answer is : Mongos
