What is a distributed denial-of-service (DDoS) attack?

Explaining The Universe on Instagram: "Road safety is essential for protecting the lives of drivers, passengers, cyclists, and pedestrians. It involves following traffic rules, maintaining vehicles in good condition, and staying alert while driving. Speed limits, seat belts, and traffic signals are designed to prevent accidents and reduce the severity of crashes. Avoiding distractions such as mobile phones and never driving under the influence of alcohol or drugs are also key to staying safe. Go