Implement AWS networking architectures across multi-account environments, including VPCs, routing, security groups, network ACLs, DNS, load balancing, private connectivity, VPC endpoints, Transit Gateway, Direct Connect, and site-to-site VPNs. You have advanced AWS networking knowledge, including VPC design, subnetting, route tables, security groups, network ACLs, DNS, load balancers, private connectivity, and multi-account networking.