# ✅ Quiz M4.05
```{admonition} Question
By default, a [`LogisticRegression`](https://scikit-learn.org/stable/modules/generated/sklearn.linear_model.LogisticRegression.html) in scikit-learn applies:
- a) no penalty
- b) a penalty that shrinks the magnitude of the weights towards zero (also called "l2 penalty")
- c) a penalty that sets some weights exactly to zero (also called "l1 penalty")
_Select a single answer_
```
+++
```{admonition} Question
The parameter `C` in a logistic regression is:
- a) similar to the parameter `alpha` in a ridge regressor
- b) similar to `1 / alpha` where `alpha` is the parameter of a ridge regressor
- c) not controlling the regularization
_Select a single answer_
```