Customized classes tailored to the student's level, from beginner to advanced. These classes focus on the subjects of the Network Computer Systems Administration course. However, as I mentioned before, the topics covered may vary depending on the student's needs. For beginners, we'll cover concepts such as Hardware Fundamentals, Database Management, Operating System Implementation, Markup Languages and Information Management Systems, and Network Planning and Administration. For intermediate and advanced students, we will cover concepts such as Operating System Administration, Database Management Systems Administration, Web Application Implementation, Security and High Availability, and Network and Internet Services.