Neural Networks in Artificial Intelligence is a part of Deep Learning. So, neural networks are basically a model and a concept inspired by the functioning of the human brain. Neural Networks are used to make models that perform tasks with more perfection and accuracy than Machine Learning models.
Deep Neural Networks is a field that requires an in-depth knowledge to master it. So, you must go through this comprehensive blog on Artificial Neural Network that will teach you the functionalities of Neural Network.
If you want to get a thorough knowledge of Neural Networks then you must watch this Neural Networks tutorial:
To pursue a career as an AI Engineer you must take a certification course on Artificial Intelligence that will help you to become a certified professional of Artificial Intelligence. So, go through this AI certification course.
Hope this answer helps!