When can you use normalization?

When could you use normalization (MinMaxScaler) when working with a dataset?

50 XP

When you know that your data may have outliers.
press1
When you know the the data has a strict upper and lower bound.
press2
When you know that your test data may contain smaller values than your training data.
press3
When you know that your test data may contain larger values than your training data.
press4