Configure OSPFv2 for a single area in point-to-point and multi-access networks Explain how to mitigate threats and improve network security through access checklists and best security practices Implement standard IPv4 ACLs to filter traffic and secure administrative access Configure NAT services on the periphery router to ensure IPv4 address scalability Explain the techniques to ensure address scalability and secure remote access for WAN networks Explain how to optimize, monitor and troubleshoot evolving network architectures Explain how network devices implement QoS Establish protocols to manage the network Explain how technologies such as virtualization, software-defined networking and automation affect evolving networks.