Which of the following services can be used to provide perimeter security to a Hadoop
stack?
stack?
Knox
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Ranger
Spark
Solr
Category: Big Data Technology
A company is considering deploying a Hadoop stack for their business. Previously, they used traditional RDMS to store their data. Which service can be used by the company to store their data in the Hadoop stack after migration?
A company is considering deploying a Hadoop stack for their business. Previously, they
used traditional RDMS to store their data. Which service can be used by the company to
store their data in the Hadoop stack after migration?
used traditional RDMS to store their data. Which service can be used by the company to
store their data in the Hadoop stack after migration?
Hive
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Storm
Kafka
Sqoop
What will be the file permissions of project.sh after the following command is executed?
What will be the file permissions of project.sh after the following command is
executed?
executed?
rw-r-xr–
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rwxrwxrwx
r-x-wx-r–
–wxr-xrw
An online shopping store is using a Hadoop stack for logs processing and analytics. They wish to incorporate their order system onto the system as well. The order system will process orders of customers in real-time and forward their requests to checkout. What service can they use to make this possible?
An online shopping store is using a Hadoop stack for logs processing and analytics. They
wish to incorporate their order system onto the system as well. The order system will
process orders of customers in real-time and forward their requests to checkout. What
service can they use to make this possible?
wish to incorporate their order system onto the system as well. The order system will
process orders of customers in real-time and forward their requests to checkout. What
service can they use to make this possible?
Storm
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Hive
Kafka
Sqoop
What is the advantage of rack awareness in HDFS?
What is the advantage of rack awareness in HDFS?
If a rack is down then not all of the file is lost. Only a part of it is lost
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The node knows the rack where it is stored in
The rack is aware of its block count
the block knows the rack in which the file is stored
Which of the following can ensure namenode high availability?
Which of the following can ensure namenode high availability?
Standby node
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Node manager
heartbeat system
Resource Manager
What are the 4 Vs of Big Data?
What are the 4 Vs of Big Data?
Veracity, Variety, Volume, Velocity
Volume, Veracity, Visibility, Variety
Veracity, Velocity, Vulnerability, Variety
Volume, Volubility, Velocity, Variety
A company is considering deploying a Hadoop stack for their business. Previously, they
used traditional RDMS to store their data. Which service can be used by the company to
migrate their data in the Hadoop stack?
A company is considering deploying a Hadoop stack for their business. Previously, they
used traditional RDMS to store their data. Which service can be used by the company to
migrate their data in the Hadoop stack?
used traditional RDMS to store their data. Which service can be used by the company to
migrate their data in the Hadoop stack?
Sqoop
Detail Explanation
Kafka
Hive
Storm
During start up, the ___________ loads the file system state from the fsimage and the edits log file.
During start up, the ___________ loads the file system state from the fsimage and the edits log file.
Namenode
Explanation: HDFS is implemented on any computer which can run Java can host a NameNode/DataNode on it.
Datanode
Block
ActionNode
HDFS is implemented in _____________ language.
HDFS is implemented in _____________ language.
Java
Explanation: HDFS is implemented in Java and any computer which can run Java can host a NameNode/DataNode on it.
Perl
Python
C