The **C1 license** is a type of license that allows driving medium-sized cargo vehicles. Upon obtaining this license, the **C license** is automatically acquired, which is necessary for driving larger cargo vehicles.

- The **C license** allows driving vehicles intended for the transport of goods with a weight exceeding that allowed by the C1 license. This means that by obtaining the C1 license, one is also qualified to handle vehicles that require the C license, as the latter covers a broader category of cargo vehicles.

- On the other hand, the **B license** is mainly intended for passenger cars and light vehicles, while the **A2 license** is for motorcycles of a certain power. None of these licenses are related to the driving of medium or large cargo vehicles, as the C1 and C licenses are.

Therefore, by obtaining the **C1 license**, the **C license** is automatically acquired, as both are related to the driving of cargo vehicles, but in different weight and size categories.