Explanation
Experience Cloud is a solution that the consultant can recommend to meet the requirement of developing a tool for students to engage at scale, find answers to common questions and resources, and allow students to interact with student organizations. Experience Cloud is a product that allows users to create and manage digital experiences for customers, partners, or employees on any device or channel. Experience Cloud can help the university improve student retention by creating a student community that provides features such as forums, articles, chat, groups, events, or surveys. Pardot Engagement Studio, Interaction Studio, and Einstein Bots are not solutions that can meet the requirement of developing a tool for students to engage at scale, find answers to common questions and resources, and allow students to interact with student organizations.
References:
https://www.salesforce.com/products/experience-cloud/overview/
https://trailhead.salesforce.com/en/content/learn/modules/community_rollout_impl/community_rollout_im