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Engineers are troubleshooting slow step time and poor scaling efficiency in a multi-rack distributed AI...

Engineers are troubleshooting slow step time and poor scaling efficiency in a multi-rack distributed AI training cluster. Which infrastructure change is MOST likely to improve end-to-end training performance?

A.

Migrate inter-node communication to a secured Wi-Fi 6 mesh to reduce cabling complexity in the data center.

B.

Deploy a lossless InfiniBand or RoCE-based high-bandwidth, low-latency fabric and tune it for all-reduce traffic.

C.

Insert stateful firewalls with deep-packet inspection between training nodes to better control east-west traffic flows.

D.

Increase the number of top-of-rack switch ports while keeping the same oversubscribed Layer 3 Ethernet design.

NVIDIA NCA-AIIO Summary

  • Vendor: NVIDIA
  • Product: NCA-AIIO
  • Update on: Jun 18, 2026
  • Questions: 71
Price: $52.5  $149.99
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