DELF stands for “Diplôme d’études en langue française”. This is a degree that is recognized globally and legitimate for a very long time. The DELF examination that top French classes in France offer, may add value to your CV and allow you to secure a job with a business where French is spoken or desired.
By learning DELF B1 you can get access to the French nationality. The DELF B2 provides a degree of independence that allows a person to make his/her own arguments to defend and explain their opinion. The DALF C1 Allows you to enter a French college.