Definition
Administration refers to the ongoing management and maintenance of IT systems and infrastructure to ensure their optimal performance, security, and availability. This involves a wide range of tasks including user account management, system monitoring, software updates, security patching, and data backup and recovery. Effective administration is crucial for maintaining operational efficiency, preventing downtime, and protecting sensitive information. For instance, a system administrator regularly updates server operating systems to patch vulnerabilities and improve stability. This differs from initial setup or deployment, which focuses on establishing the system. Understanding administration is fundamental for roles covered in certifications like CompTIA Security+ and AWS Certified Solutions Architect Associate.