Free NVIDIA NCP-AIN Actual Exam Questions - Question 6 Discussion

A/C? The RDMA Shared Device Plugin (A) is what actually enables GPU RDMA resource sharing, but without the OFED driver (C) providing the protocol stack, it won’t function properly. Both are key but for different layers.

C/A? OFED drivers are essential since they provide the RDMA protocol stack needed for high-speed communication, so even if A manages resources, C underpins the whole RDMA functionality.

C imo, OFED drivers are the backbone for RDMA support, so without them, GPU-to-GPU communication at high speed can’t actually happen, even if the plugin is configured.

A, since it directly enables GPU RDMA resource management across nodes.

Not B, the secondary network is needed but it’s more about the network setup itself than GPU-specific communication. A feels right because it manages RDMA resources tailored for GPUs across nodes.

Maybe C, since OFED drivers are essential for RDMA functionality itself.

B imo, the secondary network sets up the actual data path that RDMA uses, so without it enabled properly, the RDMA plugin can’t function effectively across nodes. This config is crucial too.

Option A seems key since the RDMA Shared Device Plugin handles allocation of RDMA resources specifically for GPUs, which is critical for enabling that cross-node GPU communication speed.

A imo, the RDMA Shared Device Plugin directly manages RDMA resources, which is essential for removing communication bottlenecks between GPUs in different nodes. Without it, the setup won’t fully utilize RDMA capabilities.

C. OFED Driver is essential since it provides the necessary RDMA capabilities at the driver level. Without the proper OFED driver, RDMA communication can’t function correctly, which would bottleneck the GPU-to-GPU data flow even if other settings are right. So it’s not just about having the plugin but ensuring the underlying drivers support RDMA efficiently.

Definitely A. RDMA Shared Device Plugin is key for fast GPU-to-GPU comms across nodes.