MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
WHICH_IS_THE_FUNCTION_USED_TO_LOOK_UP_AN_OBJECT??$ |
| A. | put() |
| B. | set() |
| C. | get() |
| D. | look() |
| Answer» D. look() | |
| 2. |
Which is the method to look up the objects for a range of keys?$ |
| A. | lookRange() |
| B. | openCursor() |
| C. | lookall() |
| D. | None of the mentioned |
| Answer» C. lookall() | |
| 3. |
What is the alternate way to search in an IndexedDB API? |
| A. | Key |
| B. | Address |
| C. | Indexes |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 4. |
Which of the following is a feature of the IndexedDB API? |
| A. | Simplifies the transaction management |
| B. | Need not manage the transaction at all |
| C. | Enhances the storage |
| D. | None of the mentioned |
| Answer» B. Need not manage the transaction at all | |
| 5. |
How does IndexedDB provide atomicity? |
| A. | Grouping among the data |
| B. | Grouping within a transaction |
| C. | Grouping the data |
| D. | None of the mentioned |
| Answer» C. Grouping the data | |
| 6. |
A key path is defined as |
| A. | A url that directs to the value |
| B. | A value that is similar to hash table |
| C. | A value that tells the database how to extract an object’s key from the object |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
In the IndexedDB database, database is defined as |
| A. | A collection of objects |
| B. | A collection of named object stores |
| C. | Objects collection |
| D. | None of the mentioned |
| Answer» C. Objects collection | |
| 8. |
Which of the following are objective database and not a relational database? |
| A. | Web SQL Database |
| B. | FileSystem API |
| C. | IndexedDB |
| D. | All of the mentioned |
| Answer» D. All of the mentioned | |
| 9. |
Which of the following use the Web SQL Database? |
| A. | Chrome |
| B. | Firefox |
| C. | IE |
| D. | All of the mentioned |
| Answer» B. Firefox | |
| 10. |
The Client-Side Databases are stored in the |
| A. | The JavaScript code |
| B. | User’s computer |
| C. | Both JavaScript code and User’s computer |
| D. | None of the mentioned |
| Answer» C. Both JavaScript code and User‚Äö√Ñ√∂‚àö√ë‚àö¬•s computer | |