

MCQOPTIONS
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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. |
The configuration file must be owned by the user running _________ |
A. | DataManager |
B. | NodeManager |
C. | ValidationManager |
D. | None of the mentioned |
Answer» C. ValidationManager | |
2. |
The ____________ requires that paths including and leading up to the directories specified in yarn.nodemanager.local-dirs. |
A. | TaskController |
B. | LinuxTaskController |
C. | LinuxController |
D. | None of the mentioned |
Answer» C. LinuxController | |
3. |
___________ used by YARN framework which defines how any container launched and controlled. |
A. | Container |
B. | ContainerExecutor |
C. | Executor |
D. | All of the mentioned |
Answer» C. Executor | |
4. |
In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to _________ |
A. | zero |
B. | kerberos |
C. | false |
D. | none of the mentioned |
Answer» C. false | |
5. |
Data transfer between Web-console and clients are protected by using _________ |
A. | SSL |
B. | Kerberos |
C. | SSH |
D. | None of the mentioned |
Answer» B. Kerberos | |
6. |
For running hadoop service daemons in Hadoop in secure mode ___________ principals are required. |
A. | SSL |
B. | Kerberos |
C. | SSH |
D. | None of the mentioned |
Answer» C. SSH | |
7. |
THE_CONFIGURATION_FILE_MUST_BE_OWNED_BY_THE_USER_RUNNING_:?$ |
A. | DataManager |
B. | NodeManager |
C. | ValidationManager |
D. | None of the mentioned |
Answer» C. ValidationManager | |
8. |
The ____________ requires that paths including and leading up to the directories specified in yarn.nodemanager.local-dir? |
A. | TaskController |
B. | LinuxTaskController |
C. | LinuxController |
D. | None of the mentioned |
Answer» C. LinuxController | |
9. |
___________ used by YARN framework which define how any container launched and controlled. |
A. | Container |
B. | ContainerExecutor |
C. | Executor |
D. | All of the mentioned |
Answer» C. Executor | |
10. |
The __________ provides a proxy between the web applications exported by an application and an end user. |
A. | ProxyServer |
B. | WebAppProxy |
C. | WebProxy |
D. | None of the mentioned |
Answer» C. WebProxy | |
11. |
In order to turn on RPC authentication in hadoop, set the value of hadoop.security.authentication property to : |
A. | zero |
B. | kerberos |
C. | false |
D. | none of the mentioned |
Answer» C. false | |
12. |
Data transfer between Web-console and clients are protected by using : |
A. | SSL |
B. | Kerberos |
C. | SSH |
D. | None of the mentioned |
Answer» B. Kerberos | |
13. |
The simplest way to do authentication is using _________ command of Kerberos. |
A. | auth |
B. | kinit |
C. | authorize |
D. | all of the mentioned |
Answer» C. authorize | |
14. |
For running hadoop service daemons in Hadoop in secure mode, ___________ principals are required. |
A. | SSL |
B. | Kerberos |
C. | SSH |
D. | None of the mentioned |
Answer» C. SSH | |