Question
a.
Cassandra does not immediately remove data marked for deletion from disk
b.
A deleted column can reappear if you do not run node repair routinely
c.
The deletion of marked data occurs during compaction
d.
All of the mentioned
Posted under ZooKeeper,Sqoop and Cassandra Hadoop
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Point out the correct statement.
Similar Questions
Discover Related MCQs
Q. Point out the wrong statement.
View solution
Q. Which of the following is a benefits of distributed applications?
View solution
Q. ZooKeeper itself is intended to be replicated over a sets of hosts called ____________.
View solution
Q. Which of the following is correct challenges that are faced by distributed applications?
View solution
Q. Which of the following is not a services provided by ZooKeeper?
View solution
Q. Sqoop is written in?
View solution
Q. Sqoop standsfor?
View solution
Q. Is Apache Sqoop is an open-source tool?
View solution
Q. Data processed by Scoop can be used for?
View solution
Q. _________ tool can list all the available database schemas.
View solution
Q. The active Hadoop configuration is loaded from $HADOOP_HOME/conf/, unless the $HADOOP_CONF_DIR environment variable is unset.
View solution
Q. The import-tables tool imports a set of tables from an RDBMS to?
View solution
Q. Sqoop can also import the data into Hive by generating and executing a ____________ statement to define the datas layout in Hive.
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Hadoop? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
