Apache is a powerful and flexible web server that implements HTTP protocols. It is highly configurable, runs on many operating systems, and encourages community involvement through feedback and contributions. An employee evaluation involves rating an employee's performance and competencies according to objectives set by superiors, which leads to performance monitoring. A content management system (CMS) is software that assists users in content management, such as blogging, forums, polls, files, and more, using technologies like Apache, MySQL, PHP, and Drupal's open source community.