Troubleshoot EIGRP
Troubleshoot OSPF
Troubleshoot eBGP
Troubleshoot routing redistribution solution
Troubleshoot a DHCP client and server solution
Troubleshoot NAT
Troubleshoot first hop redundancy protocols
Troubleshoot IPv6 routing
Troubleshoot IPv6 and IPv4 interoperability
Troubleshoot switch-to-switch connectivity for the VLAN based solution
Troubleshoot loop prevention for the VLAN based solution
Troubleshoot Access Ports for the VLAN based solution
Troubleshoot private VLANs
Troubleshoot port security
Troubleshoot general switch security
Troubleshoot VACLs and PACLs
Troubleshoot switch virtual interfaces (SVIs)
Troubleshoot switch supervisor redundancy
Troubleshoot switch support of advanced services (i.e., Wireless, VOIP and Video)
Troubleshoot a VoIP support solution
Troubleshoot a video support solution
Troubleshoot Layer 3 Security
Troubleshoot issues related to ACLs used to secure access to Cisco routers
Troubleshoot configuration issues related to accessing the AAA server for authentication purposes
Troubleshoot security issues related to IOS services (i.e.,finger, NTP, HTTP, FTP, RCP etc.)