Final answer:
The maximum number of threads per vNIC can vary and is determined by factors such as system capabilities and application design. The provided answer options do not align with a standard setting and more information is required to provide a specific number.
Step-by-step explanation:
The question concerns the number of threads that can be created per virtual Network Interface Card (vNIC) to handle a high network transmission rate and multiple simultaneous TCP streams. However, the provided options (A: 4, B: 6, C: 8, D: 10) are not directly related to a general factual concept because the maximum number of threads per vNIC can vary based on different factors such as the operating system, the network adapter's capabilities, restrictions set by cloud providers, or specific application settings. Therefore, without specific details regarding the environment or the application, a conclusive answer cannot be given.
To handle a high network transmission rate and multiple simultaneous TCP streams effectively, it is often necessary to fine-tune the thread count based on the application's requirements, performance testing, and the underlying hardware capabilities. For example, a powerful server with a high-performance network adapter might handle more threads successfully, while a smaller virtual machine or a vNIC with limited throughput might struggle with a smaller number of threads.