During the initial planning phase of a new project, you are charged with defining the resource requirements and needs. After analyzing the project scope and activities, you identify that your team lacks critical expertise required for the project's success. Which is the BEST action to ensure that the appropriate resource needs are met?
Modify the project scope to eliminate the need for the specialized expertise
Acquire an expert consultant to provide the specific expertise for the duration of the project
Train an existing team member to acquire the necessary expertise
Hire a new full-time employee with the required expertise