Best HDFS Quiz Questions – Sharpen Your Skills

HDFS data blocks can be read in parallel.

In the local disk of the namenode the files which are stored persistently are

HDFS stands for

Which of the following algorithms available for Erasure Coding

Which of the following property is used to change heartbeat interval

In which configuration file heartbeat interval is changed

One can copy a file into HDFS with a different block size to that of existing block size configuration by using

You can change the replication factor on a per-file basis using a command

Is Namenode machine same as DataNode machine as in terms of hardware?

Which command is used to format HDFS

You can change the replication factor for all the files in a directory using command

Which of the following are the features of HDFS

For 129 MB file how many Blocks will be created

Which statement is true about passive NameNode in Hadoop

If Active NameNode fails, then which of the following Node takes all the responsibility of active node

Can NameNode be commodity hardware?

What is the importance of dfs.namenode.name.dir in HDFS?

What is the port number for NameNode

Which of the following is/are correct?
a. NameNode is the SPOF in Hadoop 1.x

b. NameNode is the SPOF in Hadoop 2.x

c. NameNode keeps the image of the file system also

NameNode tries to keep the first copy of data nearest to the client machine