Handle a Dell OEM InfiniBand engagement end to end — design review, escalation bridge call, performance proof — and pass the InfiniBand and Troubleshooting domains of NCP-AIN.

1. 5.1 Proving the fabric: perftest and nccl-testsThe number nobody can defendAp
2. 5.2 Design review: an eight-rail IB pod on Dell XE9680Sixty-four nodes and a quote nobody derivedC
3. 5.3 Escalation bridge call: five InfiniBand ticketsTen minutes on a bridge with forty people listeningE
4. 5.4 NCP-AIN prep: blueprint, drills and honest gapsThe question before the account reviewE
5. Checkpoint