Chapter 4 - Labs

In the bucket pattern and the schema versioning pattern lab three choices are provided: two more or less right and one is wrong (From the detailed answer section). Checking one of the good, it results in an incorrect answer, but this is not reflected in the detailed answer question and so it might generate a lot of confusion.
Could you elaborate on this.
Thx.
M.

Bucket Pattern lab:


Schema Versioning Pattern lab:

In addition, it uses check boxes which implies that it’s multiple choice. I don’t see where the confusion is.

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