Week 10 Last

Which statement about Spark is true?

What best describes the role of the NameNode in Hadoop?

CI/CD enables:

Which of the following is true about NoSQL databases?

What does MapReduce do during the Reduce stage?

What is the key reason Apache Spark replaced MapReduce in many cases?

What would be the most appropriate use case for using Oozie?

Which of the following is not part of the original Hadoop ecosystem?

What feature distinguishes Hive from Pig?

Which combination best explains Hadoop's 4 Vs?

Which statement is false about RDDs in Spark?

Apache Hive was introduced primarily to help which group?

Which command is used in Hive to query data?

How does Oozie define a job workflow?

DBSCAN is ideal for:

Streaming data is best handled by:

What makes Apache Pig more suitable than MapReduce for analysts?

Why is Pig preferred over direct Java MapReduce programming?

Which stage of the MapReduce process involves rearranging the output of map tasks by key?

One-hot encoding is primarily used for:

Which command would be used to copy data to HDFS from local?

What is a common transformation for skewed numerical features?

MongoDB stores data as: