Partitioner controls the partitioning of what data?
SQL Windowing functions are implemented in Hive using which keywords?
Rather than adding a Secondary Sort to a slow Reduce job, it is Hadoop best practice to perform which optimization?
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?
Hadoop Core supports which CAP capabilities?
What are the primary phases of a Reducer?
To set up Hadoop workflow with synchronization of data between jobs that process tasks both on disk and in memory, use the **_** service, which is **_**.
For high availability, use multiple nodes of which type?
DataNode supports which type of drives?
Which method is used to implement Spark jobs?
In a MapReduce job, where does the map() function run?
To reference a master file for lookups during Mapping, what type of cache should be used?
Skip bad records provides an option where a certain set of bad input records can be skipped when processing what type of data?