Hadoop Auth enforces authentication on protected resources. Once authentication has been established, it sets what type of authenticating cookie?

MapReduce jobs can be written in which language?

To perform local aggregation of the intermediate outputs, MapReduce users can optionally specify which object?

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

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

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

Which are the required command line arguments for the oev command of HDFS?

Which of the following HDFS shell commands is used for setting a group for a particular file or directory?

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

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

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?