Which of the following HDFS commands is used for setting an extended attribute name and value for a file or a directory?

Which Pig commands is/are used for sampling a data and applying a query on it?

Which one is the correct syntax for the docs Maven profile that is used for creating documentation in Hadoop Auth?

In case of service-level authorization in Hadoop, which of the following properties is used for determining the ACEs used for granting permissions for the DataNodes to communicate and access the NameNode?

What is the default value of the following security configuration property of the YARN architecture? yarn.timeline-service.delegation.token.renew-interval

While configuring HTTP authentication in Hadoop, which of the following is set as the value of the 'hadoop.http.filter.initializers' property?

What are the primary phases of a Reducer?

Hadoop Core supports which CAP capabilities?

To get the total number of mapped input records in a map job task, you should review the value of which counter?

Which line of code implements a Reducer method in MapReduce 2.0?

To verify job status, look for the value ___ in the ___.