Question 3: What is the effect of enabling the 'aaa new-model' command on a Cisco router? Choice: (choose correct answer): () It requires login authentication at the VTY lines. () It automatically enforces login on the console line. () It disables local authentication for VTY lines. () It configures a default username and password for all lines. () It removes any existing login configurations on the router. Answer: It requires login authentication at the VTY lines.