If you believe you received inaccurate information at the university, you should have spoken directly to the DSO to report it once you returned. Most international advisers and staff members are very protective of their charges as well as the university. If someone was giving out incorrect information, they would want that addressed immediately.
No one can predict with certainty the outcome of a visa interview or experience at the border even for individuals who do not have a problem in their past record. All you can do is be prepared with your documentation and truthfully answer all questions for the immigration officials.

