Which command can be used to monitor WAN usage in real-time in a VPLEX setup?

The correct response highlights that there is no specific command among the provided options that directly enables real-time monitoring of WAN usage in a VPLEX setup. This suggests that while monitoring WAN usage is a consideration in managing VPLEX environments, the system might not offer a dedicated command solely for real-time observation in the way the alternatives imply.

In contexts like VPLEX, monitoring WAN usage may typically be performed through a combination of broader monitoring tools or system reports rather than a single, specific command. This reflects the nature of managing complex storage environments where real-time metrics might be gathered from various sources rather than through straightforward commands. Existing tools may offer other functionalities that provide insights into the WAN performance indirectly, rather than through a specific command aimed at real-time usage alone. Thus, emphasizing that no explicit command exists ensures users understand the need to explore alternative methods for monitoring WAN performance effectively within their setup.