MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Mongodb knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following statement is incorrect about documents in MongoDB? |
| A. | The field names cannot start with the dollar sign ($) character |
| B. | The field names cannot contain the dot (.) character |
| C. | The field names cannot contain the null character |
| D. | None of the mentioned |
| Answer» E. | |
| 2. |
The ___________ JavaScript shell and the MongoDB language drivers translate between BSON and the language-specific document representation. |
| A. | mongod |
| B. | mongo |
| C. | json |
| D. | none of the mentioned |
| Answer» C. json | |
| 3. |
__________ define what records to select for read, update, and delete operations. |
| A. | Query optimizer |
| B. | Query selector |
| C. | Update definitions |
| D. | All of the mentioned |
| Answer» C. Update definitions | |
| 4. |
Which of the following is used to avoid the repetition of data in MongoDB schema? |
| A. | DeReferences |
| B. | References |
| C. | Cursor |
| D. | Collectors |
| Answer» C. Cursor | |
| 5. |
Which of the following relationship uses references to describe documents between connected data? |
| A. | One-to-One Relationships with Embedded Documents |
| B. | One-to-Many Relationships with Embedded Documents |
| C. | One-to-Many Relationships with Document References |
| D. | None of the mentioned |
| Answer» C. One-to-Many Relationships with Document References | |
| 6. |
Which of the following is used to avoid repetition of data in MongoDB schema ? |
| A. | DeReferences |
| B. | References |
| C. | Cursor |
| D. | Collectors |
| Answer» C. Cursor | |
| 7. |
Which of the following relationship uses references to describe documents between connected data ? |
| A. | One-to-One Relationships with Embedded Documents |
| B. | One-to-Many Relationships with Embedded Documents |
| C. | One-to-Many Relationships with Document References |
| D. | None of the mentioned |
| Answer» C. One-to-Many Relationships with Document References | |