You're reading the specs for a DGX A100 system and you see it includes multiple high-speed network interface cards. Specifically, how many Mellanox ConnectX-6 Single Port VPI cards are integrated into the system?
Select an answer to reveal the explanation.
Short Explanation and Infographic
A DGX A100 includes 4 Mellanox ConnectX-6 VPI cards for high-throughput network connectivity. These enable fast inter-node communication during distributed training. Not 2, not 8, not 16 — it's 4.
Full explanation below image
Full Explanation
The DGX A100 is a fully integrated AI system with eight A100 GPUs, NVLink interconnects, and multiple network interfaces. NVIDIA included four Mellanox ConnectX-6 Single Port VPI cards in the system. VPI stands for Virtual Protocol Interface, meaning each card can operate as InfiniBand, Ethernet, or RoCE depending on configuration. Four cards provide redundancy and aggregate bandwidth — you can bond them for failover or aggregate bandwidth, or use them separately for different traffic types. This is a specification detail of the DGX A100 that shows up on certification exams. It's testing whether you know the hardware specs of flagship systems.