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. |
__________ represent the logical computations of your Crunch pipelines. |
| A. | DoFns |
| B. | DoFn |
| C. | ThreeFns |
| D. | None of the mentioned |
| Answer» B. DoFn | |
| 2. |
___________ executes the pipeline as a series of MapReduce jobs. |
| A. | SparkPipeline |
| B. | MRPipeline |
| C. | MemPipeline |
| D. | None of the mentioned |
| Answer» C. MemPipeline | |
| 3. |
A __________ represents a distributed, immutable collection of elements of type T. |
| A. | PCollect<T> |
| B. | PCollection<T> |
| C. | PCol<T> |
| D. | All of the mentioned |
| Answer» C. PCol<T> | |
| 4. |
Hive, Pig, and Cascading all use a _________ data model. |
| A. | value centric |
| B. | columnar |
| C. | tuple-centric |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 5. |
Crunch was designed for developers who understand __________ and want to use MapReduce effectively. |
| A. | Java |
| B. | Python |
| C. | Scala |
| D. | Javascript |
| Answer» B. Python | |
| 6. |
The Crunch APIs are modeled after _________ which is the library that Google uses for building data pipelines on top of their own implementation of MapReduce. |
| A. | FlagJava |
| B. | FlumeJava |
| C. | FlakeJava |
| D. | All of the mentioned |
| Answer» C. FlakeJava | |
| 7. |
For Scala users, there is the __________ API, which is built on top of the Java APIs. |
| A. | Prunch |
| B. | Scrunch |
| C. | Hivench |
| D. | All of the mentioned |
| Answer» C. Hivench | |
| 8. |
The Apache Crunch Java library provides a framework for writing, testing, and running ___________ pipelines. |
| A. | MapReduce |
| B. | Pig |
| C. | Hive |
| D. | None of the mentioned |
| Answer» B. Pig | |