While working with Amazon EC2, I noticed something interesting about public IP addresses. I launched an EC2 instance and checked its public IP: Public IP: 13.x.x.x Then I stopped the instance and started it again. After restarting, I noticed that the public IP had changed: Old IP: 13.x.x.x New IP: 54.x.x.x This made me understand an important AWS concept: The default public IPv4 address of an EC2 instance is not persistent. 🔹 So, how can we keep the same public IP? AW...