NVIDIA's recommended practice for managing nodes in Base Command Manager (BCM) is to leverage its powerful, dynamic discovery capabilities. BCM automatically inventories hardware attributes of each node, including the GPU model. Creating a dynamic category with a rule that filters nodes based on a discovered hardware attribute (like the GPU model being 'NVIDIA H200') is the most scalable and efficient approach. This ensures that any new DGX H200 nodes added to the cluster are automatically assigned to the correct category without manual intervention.

A: Manually maintaining a static list of hostnames is not scalable, is prone to error, and is not a recommended best practice.

C: While BCM can integrate with Slurm, defining categories in Slurm is an indirect method. Using BCM's native discovery is the intended and more direct approach.

D: Using the default 'allnodes' category fails to create the "dedicated category" required by the administrator for specific management and scheduling.

1. NVIDIA Base Command Manager User Guide. The documentation on "Node Management" and "Node Categories" describes the creation of dynamic categories based on discovered node facts (attributes) such as gpumodel or productname. This is presented as the primary method for organizing nodes. (Specific guide version may vary, but this principle is core to BCM).