Expected 300-615 Exam Topics, as suggested by Cisco :

• Module 1: Troubleshoot ACI Security Domains And Role Mapping/ Troubleshoot Storage Security
• Module 2: Troubleshoot Data Center Compute Security/ Troubleshooting Network Security
• Module 3: Troubleshoot Integration Of Centralized Management/ Troubleshoot Routing Protocols
• Module 4: Troubleshoot Firmware Upgrades, Packages, And Interoperability/ Troubleshoot Hardware Interoperability
• Module 5: Fabric Binding And Port Security/ Troubleshoot Cisco Unified Computing System Blade Chassis
• Module 6: Troubleshoot Automation And Scripting Tools/ Troubleshoot Application Centric Infrastructure
• Module 7: Troubleshoot Fcoe Cisco Unified Fabric (FIP, DCB)/ Troubleshoot Packet Flow From Server To The Fabric
• Module 8: First-Hop Security Such As Dynamic ARP, DHCP Snooping, And Port Security/ Troubleshoot Switching Protocols, Such As RSTP+, LACP, And Vpc
• Module 9: Troubleshoot Firmware Upgrades, Packages, And Interoperability/ Troubleshoot Cisco Unified Computing System Rack Servers
• Module 10: Fibre Channel Buffer Credit Starvation/ Switched Fabric Initialization/ Troubleshoot Overlay Protocols, Such As VXLAN EVPN And OTV
• Module 11: Troubleshoot Programmability/ Troubleshoot Fibre Channel/ Infrastructure Such As Chassis, Power, IOM
• Module 12: Bash Shell And Guest Shell For NX-OS/ Troubleshoot Key Management/ Management And Operations/ Troubleshoot AAA And RBAC