Question: Which command adds a column family named `cf1` to your Bigtable table named `my-table`?
- `cbt createfamily cf1 my-table`
- `cbt createfamily my-table cf1`
- `gcloud createfamily cf1 my-table cf1`
- `gcloud createfamily my-table cf1`
Answer: The correct answer of the above question is Option B:`cbt createfamily my-table cf1`