What is the correct statement about streaming state in Stream-Stream Joins?

Real Exam

Stream-Stream Joins are stateless, meaning Spark does not buffer past inputs as a streaming state for the input streams.

11.1%

Spark buffers past inputs as a streaming state for the left input stream only, to match future right inputs with past left inputs.

12.4%

Spark buffers past inputs as a streaming state for the right input stream only, to match future left inputs with past right inputs.

11.5%

Spark buffers past inputs as a streaming state for both input streams, enabling every future input to be matched with past inputs.

59.0%

Stream-Stream Joins do not support limiting the state information using watermarks.

6.0%

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