Hadoop
Hadoop Mastery Quiz
Test your knowledge of Hadoop, the open-source framework that facilitates distributed storage and processing of big data. This quiz is designed for anyone looking to enhance their understanding of Hadoop's fun
- 10 multiple-choice questions
- Assess your Hadoop knowledge
- Learn key concepts about data processing
Which of the following are true about Hadoop?
Open Source
Distributed Processing Framework
Distributed Storage Framework
All of these
Hadoop can be deployed on Commodity Hardware?
True
False
Which of the following are false about Hadoop?
Hadoop works in Master-Slave fashion
Master & Slave both are worker nodes
User submit his work on master, which distribute it to slaves
Slaves are actual worker node
What is a Metadata in Hadoop?
Data stored by user
Information about the data stored in datanodes
User information
None of these
Which of the following are false about the namenode?
Stores meta data
It keeps metadata in memory
Single point of failure
None of the above
What is a Daemon?
Process or service that runs in background
Applications submitted by user
Web application running on web server
None of these
Which of the following is true about Hadoop?
We can add n no of nodes in cluster on the fly (n ~ 15000)
We will loss data if one data node crashes
Before storing data we need to specify the schema
Data is firstly processed on master then on slaves
All the slaves in the Hadoop cluster should be of same configuration?
True
False
Choose the correct statement?
Master assigns work to all the slaves
Client need to interact with master first, as it is the single place where all the meta data is available
We cannot edit data once written in Hadoop
All of these
Failure of slave-nodes or tasks is recovered automatically by the framework?
True
False
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