The suggested answer is B.
The company needs a quick solution to accommodate a high number of concurrent sessions close to 24,000 at launch, with an average of approximately 5,000 sessions. The current private cloud resources (30 vCPUs and 512GB RAM) are not sufficient to handle the maximum expected load of close to 24,000 sessions, which requires 64 vCPUs and 1024GB RAM per the provided resource table. Adding more capacity to the private cloud or migrating all workloads to a public cloud provider would take more time and might incur higher costs. Auto-scaling within the private cloud is not feasible due to current resource limitations. Therefore, setting up cloud bursting for additional resources is the best option as it allows the company to efficiently handle the peak load by utilizing additional resources from a public cloud while maintaining the current private cloud setup.