An internal stakeholder has requested advice on how to draft an effective set of project specifications.

Which of the following responses are appropriate?

1. Encourage internal stakeholders to collaborate and share insights for better specification development

2. Draft specifications that include additional requirements outside of the initial scope to ensure added value can be demonstrated

3. Keep specification details restricted and limit engagement to maintain a competitive advantage

4. Regularly review and update specifications to adapt to industry changes and technological advancements