MCQOPTIONS
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MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Hadoop knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
ZooKeeper allows distributed processes to coordinate with each other through registers, known as ___________ |
| A. | znodes |
| B. | hnodes |
| C. | vnodes |
| D. | rnodes |
| Answer» B. hnodes | |
| 2. |
A number of constants used in the client ZooKeeper API were renamed in order to reduce ________ collision. |
| A. | value |
| B. | namespace |
| C. | counter |
| D. | none of the mentioned |
| Answer» C. counter | |
| 3. |
The java package structure has changed from com.yahoo.zookeeper* to ___________ |
| A. | apache.zookeeper |
| B. | org.apache.zookeeper |
| C. | org.apache.zookeeper.package |
| D. | all of the mentioned |
| Answer» C. org.apache.zookeeper.package | |
| 4. |
ZooKeeper is especially fast in ___________ workloads. |
| A. | write |
| B. | read-dominant |
| C. | read-write |
| D. | none of the mentioned |
| Answer» C. read-write | |
| 5. |
Which of the guarantee is provided by Zookeeper? |
| A. | Interactivity |
| B. | Flexibility |
| C. | Scalability |
| D. | Reliability |
| Answer» E. | |
| 6. |
ZooKeeper itself is intended to be replicated over a sets of hosts called ____________ |
| A. | chunks |
| B. | ensemble |
| C. | subdomains |
| D. | none of the mentioned |
| Answer» C. subdomains | |
| 7. |
ZOOKEEPER_ALLOWS_DISTRIBUTED_PROCESSES_TO_COORDINATE_WITH_EACH_OTHER_THROUGH_REGISTERS,_KNOWN_AS_:?$ |
| A. | znodes |
| B. | hnodes |
| C. | vnodes |
| D. | rnodes |
| Answer» B. hnodes | |
| 8. |
A number of constants used in the client ZooKeeper API were renamed in order to reduce ________ collisio? |
| A. | value |
| B. | namespace |
| C. | counter |
| D. | none of the mentioned |
| Answer» C. counter | |
| 9. |
The java package structure has changed from com.yahoo.zookeeper* to : |
| A. | apache.zookeeper |
| B. | org.apache.zookeeper |
| C. | org.apache.zookeeper.package |
| D. | all of the mentioned |
| Answer» C. org.apache.zookeeper.package | |
| 10. |
The underlying client-server protocol has changed in version _______ of ZooKeeper. |
| A. | 2.0.0 |
| B. | 3.0.0 |
| C. | 4.0.0 |
| D. | 6.0.0 |
| Answer» C. 4.0.0 | |
| 11. |
When a _______ is triggered the client receives a packet saying that the znode has changed. |
| A. | event |
| B. | watch |
| C. | row |
| D. | value |
| Answer» C. row | |
| 12. |
ZooKeeper is especially fast in ___________ workloads |
| A. | write |
| B. | read-dominant |
| C. | read-write |
| D. | none of the mentioned |
| Answer» C. read-write | |
| 13. |
Which of the guarantee is provided by Zookeeper ? |
| A. | Interactivity |
| B. | Flexibility |
| C. | Scalability |
| D. | Reliability |
| Answer» E. | |
| 14. |
ZooKeeper itself is intended to be replicated over a sets of hosts called : |
| A. | chunks |
| B. | ensemble |
| C. | subdomains |
| D. | none of the mentioned |
| Answer» C. subdomains | |