Question: Which command adds a column family named `cf1` to your Bigtable table named `my-table`?

1. `cbt createfamily cf1 my-table`
2. `cbt createfamily my-table cf1`
3. `gcloud createfamily cf1 my-table cf1`
4. `gcloud createfamily my-table cf1`

Answer: The correct answer of the above question is Option B:`cbt createfamily my-table cf1`