MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A delayed member has its priority equal to 0 and hidden equal to ___________ |
| A. | 0 |
| B. | flase |
| C. | true |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 2. |
In sharded clusters, delayed members have limited utility when the __________ is enabled. |
| A. | Balancer |
| B. | Collector |
| C. | Emitter |
| D. | None of the mentioned |
| Answer» B. Collector | |
| 3. |
Delayed members apply operations from the _______ on a delay. |
| A. | oplog |
| B. | log |
| C. | mlog |
| D. | none of the mentioned |
| Answer» B. log | |
| 4. |
Delayed members are a ________ or a running “historical” snapshot of the data set. |
| A. | “rolling backup” |
| B. | “roll backup” |
| C. | “rolling commit” |
| D. | none of the mentioned |
| Answer» B. “roll backup” | |
| 5. |
Which of the following members should be hidden? |
| A. | Delayed |
| B. | Hidden |
| C. | Primary |
| D. | All of the mentioned |
| Answer» B. Hidden | |
| 6. |
IN_SHARDED_CLUSTERS,_DELAYED_MEMBERS_HAVE_LIMITED_UTILITY_WHEN_THE____________IS_ENABLED.?$ |
| A. | Balancer |
| B. | Collector |
| C. | Emitter |
| D. | None of the mentioned |
| Answer» B. Collector | |
| 7. |
A_delayed_member_has_its_priority_equal_to_0_and_hidden_equal_to___________$ |
| A. | 0 |
| B. | flase |
| C. | true |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 8. |
Delayed members apply operations from the _______ on a delay? |
| A. | oplog |
| B. | log |
| C. | mlog |
| D. | none of the mentioned |
| Answer» B. log | |
| 9. |
Delayed members are a ________ or a running “historical” snapshot of the data set$ |
| A. | “rolling backup” |
| B. | “roll backup” |
| C. | “rolling commit” |
| D. | none of the mentioned |
| Answer» B. ‚Äö√Ñ√∂‚àö√ë‚àö‚à´roll backup‚Äö√Ñ√∂‚àö√ë‚àöœÄ | |
| 10. |
________ unlocks a mongod instance to allow writes and reverses the operation of a db.fsyncLock() operation. |
| A. | db.fsyncUnlock() |
| B. | db.fsynclock() |
| C. | db.syncUnlock() |
| D. | secondary |
| Answer» B. db.fsynclock() | |
| 11. |
_______ may block reads, including those necessary to verify authentication. |
| A. | db.lockall() |
| B. | db.fsyncLock() |
| C. | db,lockreads() |
| D. | none of the mentioned |
| Answer» C. db,lockreads() | |
| 12. |
__________ operations cannot guarantee that the data files do not change. |
| A. | db.lockl() |
| B. | db.synclock() |
| C. | db.fsyncUnlock() |
| D. | secondary |
| Answer» D. secondary | |
| 13. |
Which of the following members should be hidden ? |
| A. | Delayed |
| B. | Hidden |
| C. | Primary |
| D. | All of the mentioned |
| Answer» B. Hidden | |