Hadoop Yarn MCQs
Hadoop Yarn MCQs : This section focuses on "YARN" in Hadoop. These Multiple Choice Questions (MCQ) should be practiced to improve the hadoop skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.
1. What is the full form of YARN?
A. Yet Another Resource Network
B. Yet Another Relational Negotiator
C. Yet Another Resource Negotiator
D. Yet Another Relational Network
View Answer
Ans : C
Explanation: Yet Another Resource Negotiator is the full form of YARN.
2. YARN is the one who helps to manage the resources across the ________.
A. clusters
B. Negotiator
C. Jobs
D. Hadoop System
View Answer
Ans : A
Explanation: YARN is the one who helps to manage the resources across the clusters.
3. How many major component Yarn has?
A. 2
B. 3
C. 4
D. 5
View Answer
Ans : B
Explanation: Yarn consists of three major components.
4. Which of the following is the component of YARN?
A. Resource Manager
B. Nodes Manager
C. Application Manager
D. All of the above
View Answer
Ans : D
Explanation: Yarn consists of three major components i.e. Resource Manager, Nodes Manager, Application Manager.
5. Which managers work on the allocation of resources?
A. Nodes Manager
B. Resource Manager
C. Application Manager
D. All of the above
View Answer
Ans : A
Explanation: Node managers work on the allocation of resources such as CPU, memory, bandwidth per machine and later on acknowledges the resource manager.
6. Point out the correct statement.
A. YARN also extends the power of Hadoop to incumbent and new technologies found within the data center
B. YARN is the central point of investment for Hortonworks within the Apache community
C. YARN enhances a Hadoop compute cluster in many ways
D. All of the above
View Answer
Ans : D
Explanation: YARN provides ISVs and developers a consistent framework for writing data access applications that run IN Hadoop.
7. The ____________ is the ultimate authority that arbitrates resources among all the applications in the system.
A. NodeManager
B. ResourceManager
C. ApplicationMaster
D. All of the above
View Answer
Ans : B
Explanation: The ResourceManager and per-node slave, the NodeManager (NM), form the data-computation framework.
8. Yarn commands are invoked by the ________ script.
A. hive
B. bin
C. Hadoop
D. home
View Answer
Ans : B
Explanation: Running the yarn script without any arguments prints the description for all commands.
9. The CapacityScheduler has a predefined queue called _________
A. domain
B. rear
C. root
D. None of the above
View Answer
Ans : C
Explanation: All queues in the system are children of the root queue.
10. Which of the following command runs ResourceManager admin client?
A. proxyserver
B. run
C. admin
D. rmadmin
View Answer
Ans : D
Explanation: proxyserver command starts the web proxy server.
Discussion
harish
please change the radio button for answer then after we can check final result
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