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. |
Instead of Primary Key mongoDB use? |
| A. | Embedded Documents |
| B. | Default key _id |
| C. | mongod |
| D. | mongo |
| E. | |
| Answer» C. mongod | |
| 2. |
Documents in the same collection do not need to have the same set of fields or structure, and common fields in a collection's documents may hold different types of data is known as ? |
| A. | dynamic schema |
| B. | mongod |
| C. | mongo |
| D. | Embedded Documents |
| Answer» B. mongod | |
| 3. |
A developer want to develop a database for LFC system where the data stored is mostly in similar manner. Which database should use? |
| A. | Relational |
| B. | NoSQL |
| C. | Both A and B can be used |
| D. | None of the above |
| Answer» C. Both A and B can be used | |
| 4. |
Collection is a group of MongoDB ___________? |
| A. | Database |
| B. | Document |
| C. | Field |
| D. | None of the above |
| Answer» C. Field | |
| 5. |
Which of the following true about mongoDB? |
| A. | MongoDB is a cross-platform |
| B. | MongoDB is a document oriented database |
| C. | MongoDB provides high performance |
| D. | All of the above |
| Answer» E. | |
| 6. |
The system generated _id field is? |
| A. | A 12 byte hexadecimal value |
| B. | A 16 byte octal value |
| C. | A 12 byte decimal value |
| D. | A 10 bytes binary value |
| Answer» B. A 16 byte octal value | |
| 7. |
Which of the following represent column in mongoDB? |
| A. | document |
| B. | database |
| C. | collection |
| D. | field |
| Answer» E. | |
| 8. |
Which of the following is/are feature of mongoDB? |
| A. | Vertically scalable |
| B. | Centralised database |
| C. | c |
| D. | All of the above |
| Answer» D. All of the above | |
| 9. |
Which of the following statement is correct with respect to mongoDB? |
| A. | MongoDB is a NoSQL Database |
| B. | MongoDB used XML over JSON for data exchange |
| C. | MongoDB is not scalable |
| D. | All of the above |
| Answer» B. MongoDB used XML over JSON for data exchange | |
| 10. |
Which of the following is not a feature for NoSQL databases? |
| A. | Data can be easily held across multiple servers |
| B. | Relational Data |
| C. | Scalability |
| D. | Faster data access than SQL databases |
| Answer» C. Scalability | |