IT infrastructure failures can cause costly downtime, data loss, and reputational damage.Smart IT teams prevent DNS failures by proactive management and strategic planning.To defend against ransomware, smart IT teams ensure secure backups and recovery options.Resilience is built by having backup systems in place to prevent full system outages.Smart IT teams avoid being locked into a single vendor for hardware and software.Scalability is crucial to handle sudden surges in user demand and prevent infrastructure slowdowns.Continuous improvement, communication, and collaboration are key for avoiding infrastructure nightmares.