Which of the following is true for the tree in Catalyst optimizer? - Spark Quiz

Spark - Quiz(MCQ)

Which of the following is true for the tree in Catalyst optimizer?

A)

A tree contains a node object.

B)

A tree is the main data type in the catalyst.

C)

New nodes are defined as subclasses of TreeNode class.

D)

All of the above

Correct Answer : All of the above

Recently Updated in Spark Questions

Which of the following is not true for Hadoop and Spark?

A)

Both are data processing platforms

B)

Both are cluster computing environments

C)

Both have their own file system

D)

Both use open source APIs to link between different tools

Correct Answer : Both have their own file system

The default storage level of cache() is?

A)

MEMORY_ONLY

B)

DISK_ONLY

C)

MEMORY_AND_DISK

D)

MEMORY_ONLY_SER

Correct Answer : MEMORY_ONLY

Which Cluster Manager do Spark Support?

A)

YARN

B)

MESOS

C)

Standalone Cluster Manager

D)

All of the above

Correct Answer : All of the above

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