> For the complete documentation index, see [llms.txt](https://chunhthanhde.gitbook.io/google-learning-programs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chunhthanhde.gitbook.io/google-learning-programs/google-it-support-professional-certificate/course-4-system-admin-it-infrastructure/module-2-network-and-inastructure-services.md).

# Network and Infrastructure Services: Module Overview 🌐🔧

## Learning Objectives 🎯

1. **Understand DNS and DHCP Servers** 🌍📡
   * **DNS (Domain Name System)**: Translates human-readable domain names into IP addresses. Essential for web services to function correctly.
   * **DHCP (Dynamic Host Configuration Protocol)**: Automatically assigns IP addresses to devices on a network. Simplifies network management and device connectivity.
   * **Setup Requirements**: Learn what is necessary for setting up DNS and DHCP servers, including configuration files, network settings, and server hardware.
2. **Physical Infrastructure Services** 🏢💻
   * **Server Management**: Understanding physical components of IT infrastructure that facilitate server management, such as racks, cooling systems, and power supplies.
   * **Infrastructure Services**: Services that support the physical setup and maintenance of servers, including power management, environmental controls, and hardware diagnostics.

## Key Topics to Explore 📚

* **Server Operating Systems**: Familiarize yourself with various server OS and their roles in managing IT infrastructure.
* **Virtualization**: Learn about virtual machines and how they allow for more efficient use of physical resources.
* **Network Services**: Explore different network services and their importance in maintaining a functional IT environment.
* **Troubleshooting Network Services**: Develop skills for diagnosing and resolving network-related issues.

By the end of this module, you'll have a comprehensive understanding of the common IT infrastructure services you'll encounter in system administration tasks. 🚀🔍