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?

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

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

Which one is the Hadoop directory service that stores the metadata related to the files present in the cluster storage?

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

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

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

MapReduce jobs can be written in which language?

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