MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
MongoDB supports sharding through the configuration of a sharded ______ |
| A. | shapes |
| B. | clusters |
| C. | sets |
| D. | All of the above |
| E. | |
| Answer» C. sets | |
| 2. |
Each shard stores ________ data as the cluster grows. |
| A. | less |
| B. | more |
| C. | equal |
| D. | Can not say |
| Answer» B. more | |
| 3. |
______________interface with client applications and direct operations to the appropriate shard or shards. |
| A. | Query Executors |
| B. | Query Parsers |
| C. | Query Routers |
| D. | All of the above |
| Answer» D. All of the above | |
| 4. |
____________ scaling adds more CPU and storage resources to increase capacity. |
| A. | Horizontal |
| B. | Vertical |
| C. | Partition |
| D. | All of the above |
| Answer» C. Partition | |
| 5. |
What is true about Query Routers? |
| A. | Query routers are basically mongo instances, interface with client applications and direct operations to the appropriate shard. |
| B. | The query router processes and targets the operations to shards and then returns results to the clients. |
| C. | A sharded cluster can contain more than one query router to divide the client request load. |
| D. | All of the above |
| Answer» E. | |
| 6. |
In production enviroment , how many sharded clusters have? |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» C. 4 | |
| 7. |
Which of the following is true about why to use Sharding? |
| A. | In replication, all writes go to master node |
| B. | Memory can't be large enough when active dataset is big |
| C. | Vertical scaling is too expensive |
| D. | All of the above |
| Answer» E. | |
| 8. |
Single replica set has limitation of? |
| A. | 10 Nodes |
| B. | 12 Nodes |
| C. | 8 Nodes |
| D. | Infinite Nodes |
| Answer» C. 8 Nodes | |
| 9. |
______________ is the process of storing data records across multiple machines and it is MongoDB's approach to meeting the demands of data growth |
| A. | Sharding |
| B. | Config Servers |
| C. | Query Routers |
| D. | Projection |
| Answer» B. Config Servers | |