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. |
Users can specify a different symbolic name for files and archives passed through -files and -archives option, using __________ |
| A. | $ |
| B. | @ |
| C. | # |
| D. | $ |
| Answer» D. $ | |
| 2. |
The option ___________ allows to pass comma separated list of archives as arguments. |
| A. | optionname |
| B. | -libjars |
| C. | -archives |
| D. | none of the mentioned |
| Answer» D. none of the mentioned | |
| 3. |
The ________ option allows applications to add jars to the classpaths of the maps and reduces. |
| A. | optionname |
| B. | -libjars |
| C. | -archives |
| D. | all of the mentioned |
| Answer» C. -archives | |
| 4. |
Key classes have to implement the __________ interface to facilitate sorting by the framework. |
| A. | Writable |
| B. | Comparable |
| C. | WritableComparable |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
The key and value classes have to be _________ by the Mapreduce framework. |
| A. | collected |
| B. | serializable |
| C. | compacted |
| D. | none of the mentioned |
| Answer» C. compacted | |
| 6. |
Hadoop _________ is a SWIG- compatible C++ API to implement MapReduce applications. |
| A. | Streaming |
| B. | Pipes |
| C. | Orchestration |
| D. | All of the mentioned |
| Answer» C. Orchestration | |
| 7. |
Hadoop __________ is a utility which allows users to create and run jobs with any executables. |
| A. | Streaming |
| B. | Pipes |
| C. | Orchestration |
| D. | All of the mentioned |
| Answer» B. Pipes | |
| 8. |
________ job usually splits the input data-set into independent chunks which are processed by the map tasks in a completely parallel manner. |
| A. | Tasker |
| B. | MapReduce |
| C. | Tasktrack |
| D. | None of the mentioned |
| Answer» C. Tasktrack | |