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WorksheetsBig Data Unit One Skit IT final
Total questions: 10
Worksheet time: 5mins
All of the following accurately describe Hadoop, EXCEPT:
open source
real time
Java based
distributed storage
__________ has the world’s largest Hadoop cluster.
apple
Datamatics
None of the mentioned
What are the five V’s of Big Data?
volume
velocity
varity
all of them
User applications can instruct the namenode to cache the files by
adding cache file names to cache pool
adding cache config to cache pool
adding cache directive to cache pool
passing the file names as parameters to the cache pool
Which of the following is not a Hadoop operation mode?
Pseudo distributed mode
Globally distributed mode
Stand alone mode
Fully-Distributed mode
The information mapping data blocks with their corresponding files is stored in
Data node
Job Tracker
Task Tracker
Namenode
Which of the below apache system deals with ingesting streaming data to hadoop
Ozie
Kafka
Flume
Hive
The inter process communication between different nodes in Hadoop uses
REST API
RPC
RMI
IP Exchange
hadoop fs –expunge
Gives the list of datanodes
Used to delete a file
Used to exchange a file between two datanodes.
Empties the trash.
Job tracker runs on
Namenode
- Datanode
Secondary namenode
naveen jain
