 
			 
			MCQOPTIONS
 Saved Bookmarks
				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 | |