• Network Fundamentals: Concepts of network components, topology architectures, cabling, IPv4 and IPv6, and routing and switching fundamentals.
• Network Access: Configuring and managing VLANs, interswitch connectivity, and wireless network principles.
• IP Connectivity: Understanding and configuring IP routing in a network, including static routing and OSPF.
• IP Services: Configuring and verifying basic IP services like DHCP, NTP, and QoS.
• Security Fundamentals: Security best practices, including securing network devices, introducing ACLs for traffic management, and VPNs.
• Automation and Programmability: Basics of network automation and programmability using Cisco DNA Center, REST APIs, and configuration management tools like Puppet, Chef, and Ansible.

Before tackling the 200-301 CCNA certification, you should have:

• Basic computer literacy and internet usage skills.
• Fundamental understanding of IP addressing and network basics.
• No formal prerequisites are required by Cisco, but some hands-on experience with networking or Cisco equipment can be beneficial.