Cloudera Apache Hadoop Administration Quiz Questions and Answers
Answer :
ACID
Explanation :
Impala combines all of the benefits of other Hadoop frameworks, including flexibility, scalability, and cost-effectiveness, with the performance, usability, and SQL functionality necessary for an enterprise-grade analytic database
HBase is the Hadoop database: a distributed, scalable Big Data store that lets you host very large tables — billions of rows multiplied by millions of columns — on clusters built with commodity hardware
Hive also support custom extensions written in Java, including user-defined functions (UDFs) and serializer-deserializers for reading and optionally writing custom formats
Maintenance mode can be useful when you need to take actions in your cluster and do not want to see the alerts that will be generated due to those actions
