Point out the wrong statement.
All Options are Correct
Excellent ! Your Answer is Correct. Explanation: Spark is the most active project in the Apache Software Foundation and among Big Data open source projects.
For distributed storage, Spark can interface with a wide variety, including Hadoop Distributed File System (HDFS)
Spark also supports a pseudo-distributed mode, usually used only for development or testing purposes
Spark has over 465 contributors in 2014