Final answer:
False. updating the Assigned Group and Owner Group to an onsite ITWx team is not required when sending an ITWx ticket back onsite.
Step-by-step explanation:
False. When sending an ITWx ticket back onsite, you do not need to update the Assigned Group and Owner Group to an onsite ITWx team. The ticket should already be assigned to the correct group and owner when it is initially created. Updating these fields would be unnecessary and potentially lead to confusion.