a) DataNodeb) NameNodec) Data blockd) Replication Answer: aExplanation: A DataNode stores data in the [HadoopFileSystem]. ...
View QuestionThe need for data replication can arise in various scenarios like ____________
a) Replication Factor is changedb) DataNode goes downc) Data Blocks get corruptedd) All of the mentioned
View QuestionWhich of the following scenario may not be a good fit for HDFS?
a) HDFS is not suitable for scenarios requiring multiple/simultaneous writes to the same fileb) HDFS is suitable for ...
View QuestionPoint out the wrong statement.
a) Replication Factor can be configured at a cluster level (Default is set to 3) and also at ...
View Question_______ NameNode is used when the Primary NameNode goes down
a) Rackb) Datac) Secondaryd) None of the mentioned Answer: cExplanation: Secondary namenode is used for ...
View QuestionHDFS works in a __________ fashion.
a) master-workerb) master-slavec) worker/slaved) all of the mentioned Answer: aExplanation: NameNode servers as the master ...
View QuestionPoint out the correct statement.
a) DataNode is the slave/worker node and holds the user data in the form of Data Blocksb) Each ...
View QuestionA ________ serves as the master and there is only one NameNode per cluster
a) Data Nodeb) NameNodec) Data blockd) Replication Answer: bExplanation: All the metadata related to HDFS ...
View Question__________ refers to incremental costs with no major impact on solution design, performance and complexity.
a) Scale-outb) Scale-downc) Scale-upd) None of the mentioned Answer: cExplanation: Adding more CPU/RAM/Disk capacity to ...
View QuestionHBase provides ___________ like capabilities on top of Hadoop and HDFS.
a) TopTableb) BigTopc) Bigtabled) None of the mentioned Answer: cExplanation: Google Bigtable leverages the distributed ...
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