Use Microsoft Visio or an open$-$source alternative to:

Create a network infrastructure diagram, incorporating the following devices needed for a secure corporate network, placed where they will work, and citing specific, credible sources that support the design. Note: A web search will provide multiple examples of network infrastructure diagrams.

Web server.FTP server.VPN server.Authentication server.Anti$-$virus server $($client$-$based and server$-$based$).$Edge firewall.Firewall.Vulnerability scanner.Intrusion detection system $($IDS$).$Web proxy.Edge router.Core router.Switch.Distribution router.