MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Specify the ______ operator to the hint() method to prevent MongoDB from using any index. |
| A. | $unique |
| B. | $natural |
| C. | $spatial |
| D. | all of the mentioned |
| Answer» C. $spatial | |
| 2. |
To force MongoDB to use a particular index for a db.collection.________ operation, specify the index with the hint() method. |
| A. | query() |
| B. | find() |
| C. | index() |
| D. | all of the mentioned |
| Answer» C. index() | |
| 3. |
The __________ operator constrains the results of a geospatial $near or $nearSphere query to the specified distance. |
| A. | $center |
| B. | $maxDistance |
| C. | $minDistance |
| D. | all of the mentioned |
| Answer» C. $minDistance | |
| 4. |
__________ views partial execution statistics collected during plan selection. |
| A. | curs.explain() |
| B. | cursor.explain() |
| C. | cursr.explain() |
| D. | all of the mentioned |
| Answer» C. cursr.explain() | |
| 5. |
TO_FORCE_MONGODB_TO_USE_A_PARTICULAR_INDEX_FOR_A_DB.COLLECTION._________OPERATION,_SPECIFY_THE_INDEX_WITH_THE_HINT()_METHOD.?$ |
| A. | query() |
| B. | find() |
| C. | index() |
| D. | all of the mentioned |
| Answer» C. index() | |
| 6. |
Specify_the________operator_to_the_hint()_method_to_prevent_MongoDB_from_using_any_index$ |
| A. | $unique |
| B. | $natural |
| C. | $spatial |
| D. | all of the mentioned |
| Answer» C. $spatial | |
| 7. |
The __________ operator constrains the results of a geospatial?#near or?#nearSphere query to the specified distance? |
| A. | $center |
| B. | $maxDistance |
| C. | $minDistance |
| D. | all of the mentioned |
| Answer» C. $minDistance | |
| 8. |
__________ views partial execution statistics collected during plan selection |
| A. | curs.explain() |
| B. | cursor.explain() |
| C. | cursr.explain() |
| D. | all of the mentioned |
| Answer» C. cursr.explain() | |
| 9. |
In the mongo shell, you can use the ______ method to return a list of the indexes on a collection. |
| A. | getallIndexes() |
| B. | getretIndexes() |
| C. | getIndexes() |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 10. |
To terminate an ongoing index build, use the __________ method in the mongo shell. |
| A. | db.currentOp() |
| B. | db.killOp() |
| C. | db.removeOp() |
| D. | all of the mentioned |
| Answer» C. db.removeOp() | |
| 11. |
If you need to rebuild indexes for a collection you can use the _________ method to rebuild all indexes on a collection in a single operation. |
| A. | db.collection.Index() |
| B. | db.collection.reIndex() |
| C. | db.collection.rebuildIndex() |
| D. | none of the mentioned |
| Answer» B. db.collection.reIndex() | |
| 12. |
To modify an existing index, you cannot just re-issue the _________ method with the updated specification of the index. |
| A. | dropIndex() |
| B. | modIndex() |
| C. | createIndex() |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |