UCS is not much about troubleshooting as it is hardware, but still you need to prepare yourself about LAN, SAN, policies and pools etc. Here are few questions i came across..
- What is Disjoint Layer2 ?
- What is System vlan?
- What is service profile ?
- What is service profile template ?
- Different types service profile templates and their difference.
- Step by step guide for UCS firmware upgrade.