Question 4: What is the purpose of using the 'pyang' utility in the context of RESTCONF and YANG models? Choice: (choose correct answer): () To transform YANG models into a more readable tree-like structure. () To download YANG models from the internet. () To execute RESTCONF API requests directly. () To convert YANG models into Python scripts. () To filter data received from RESTCONF requests. Answer: To transform YANG models into a more readable tree-like structure.