Final answer:
The two primary ways a Scrum Master keeps a Development Team working at its highest level of productivity are process facilitation and removing impediments.
Step-by-step explanation:
The two primary ways a Scrum Master keeps a Development Team working at its highest level of productivity are process facilitation and removing impediments. The Scrum Master's role is to ensure that the Scrum framework is followed and that any obstacles that may hinder the team's progress are addressed and resolved. Process facilitation involves providing guidance and support to the team in implementing and improving the Scrum methodology, while removing impediments involves identifying and eliminating any barriers that prevent the team from performing at their best.