MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
We can declare the schema of our data either in a ______ file. |
| A. | JSON |
| B. | XML |
| C. | SQL |
| D. | R |
| Answer» D. R | |
| 2. |
When using reflection to automatically build our schemas without code generation, we need to configure Avro using? |
| A. | AvroJob.Reflect(jConf); |
| B. | AvroJob.setReflect(jConf); |
| C. | Job.setReflect(jConf); |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
Avro is said to be the future _______ layer of Hadoop. |
| A. | RMC |
| B. | RPC |
| C. | RDC |
| D. | All of the mentioned |
| Answer» C. RDC | |
| 4. |
Thrift resolves possible conflicts through _________ of the field. |
| A. | Name |
| B. | Static number |
| C. | UID |
| D. | None of the mentioned |
| Answer» C. UID | |
| 5. |
________ are a way of encoding structured data in an efficient yet extensible format. |
| A. | Thrift |
| B. | Protocol Buffers |
| C. | Avro |
| D. | None of the mentioned |
| Answer» C. Avro | |
| 6. |
With ______ we can store data and read it easily with various programming languages. |
| A. | Thrift |
| B. | Protocol Buffers |
| C. | Avro |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
__________ facilitates construction of generic data-processing systems and languages. |
| A. | Untagged data |
| B. | Dynamic typing |
| C. | No manually-assigned field IDs |
| D. | All of the mentioned |
| Answer» C. No manually-assigned field IDs | |
| 8. |
Avro schemas are defined with _____ |
| A. | JSON |
| B. | XML |
| C. | JAVA |
| D. | All of the mentioned |
| Answer» B. XML | |