Philosophy & architecture

From your world. the Spark driver/executors model, re-cast for always-on streaming

Practice quiz with instant feedback. For a scored run that counts toward your local progress, use uv run de quiz FLK-01.

5You submit a job with a max operator parallelism of 6. The cluster has 2 TaskManagers with 2 slots each (4 slots in total). What happens? AIt runs at parallelism 6 and uses more subtasks than slots BIt cannot be scheduled and never reaches RUNNING (not enough slots) CIt silently drops to parallelism 1 DThe JobManager starts more TaskManagers automatically

7Which are valid reasons to NOT choose Flink for a workload? (select all) (select all that apply) AA once-a-day refresh of a reporting mart BStateless reformat or routing of messages on a topic CA continuous fraud-scoring pipeline needing low latency and large state DA team with no experience operating stateful streaming jobs