What is the default value of the hadoop.http.authentication.token.validity property that is used in case of authentication via HTTP interface?

In case of a Multiquery execution, which code indicates retrievable errors for an execution?

Which Hadoop command is used for copying a source path to stdout?

Which Hadoop DFSAdmin command generates a list of DataNodes?

Which are NOT the properties of the app (Application) object of NodeManager REST API?

Which one is the correct data type of the 'totalMB' element of the clusterMetrics object used in the YARN ResourceManager REST API?

Which statements are false?

A production house needs a sale report where total sale of the day is more than $20,000. Which of the following query should be used?

Which field is the ideal candidate for the primary key in a student record base?

Examine the query:- select (2/2/4) from tab1; where tab1 is a table with one row. This would give a result of:

The AND operator displays a row if ANY conditions listed are true. The OR operator displays a row if ALL of the conditions listed are true