MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the type of weights parameter in createIndex()? |
| A. | Boolean |
| B. | string |
| C. | integer |
| D. | document |
| E. | |
| Answer» E. | |
| 2. |
What is the type of sparse parameter in createIndex()? |
| A. | Boolean |
| B. | string |
| C. | integer |
| D. | document |
| Answer» B. string | |
| 3. |
The maximum value of weights parameter is: |
| A. | 999 |
| B. | 9999 |
| C. | 99999 |
| D. | 99 |
| Answer» D. 99 | |
| 4. |
Which method returns the description of all the indexes int the collection? |
| A. | putIndexes() |
| B. | setIndexes() |
| C. | getIndexes() |
| D. | All of the above |
| Answer» D. All of the above | |
| 5. |
Which method deletes multiple (specified) indexes on a collection? |
| A. | dropIndexes() |
| B. | dropIndex() |
| C. | Both A and B can be used |
| D. | getIndexes() |
| Answer» B. dropIndex() | |
| 6. |
The default value of default_language Parameter is : |
| A. | Mongo |
| B. | DB |
| C. | Mongod |
| D. | English |
| Answer» E. | |
| 7. |
The default value of background Parameter is : |
| A. | TRUE |
| B. | FALSE |
| C. | 0 |
| D. | 1 |
| Answer» C. 0 | |
| 8. |
To create index in descending order, the value of key is? |
| A. | 1 |
| B. | 0 |
| C. | -1 |
| D. | infinite |
| Answer» D. infinite | |
| 9. |
Which of the following iis correct syntax of createindex? |
| A. | db.COLLECTION_NAME.createIndex({KEY:1}) |
| B. | COLLECTION_NAME.createIndex({KEY:1}) |
| C. | db.COLLECTION_NAME.createIndex |
| D. | db.createIndex({KEY:1}) |
| Answer» B. COLLECTION_NAME.createIndex({KEY:1}) | |
| 10. |
How to create index in mongoDB? |
| A. | index() |
| B. | createIndex() |
| C. | putIndex() |
| D. | getIndex() |
| Answer» C. putIndex() | |