Considerations and policy
Cornell's survey support page and paid-for survey instrument (Qualtrics)
Other tools
Great tool for scheduling meetings among people not using Cornell's calendar system (which is Office 365)
Also capable of doing regular surveys.
Google Forms
Per the web site, "Google Forms is a useful tool to help you plan events, send a survey, give students a quiz, or collect other information in an easy, streamlined way." Might be attractive is you value easily collecting data within a Google spreadsheet, for example.