Final answer:
The Consultant should recommend using Data Designer to connect student and alumni information and using Synchronized Data Sources to synchronize Sales Cloud data in Journey Builder.
Step-by-step explanation:
The implementation Consultant should recommend using Data Designer to link student and alumni data to the contact record in Journey Builder. This approach will allow for the management and utilization of complex relationships between data from multiple sources, including the Sales Cloud and external systems housing course catalogs, demographics, and alumni information.
Additionally, the Consultant should advise using Synchronized Data Sources to effortlessly and consistently synchronize data from the Sales Cloud. This will provide a seamless integration and ensure that the university has the most up-to-date data available in Journey Builder for their 1:1 marketing efforts to potential students, current students, and alumni.