It is possible to preview a D2L quiz with Respondus Lockdown Browser enabled. You can preview the quiz with or without Respondus Lockdown Browser.
The basic steps for previewing a quiz in D2L are here.
If you would like to preview the quiz without using Respondus Lockdown Browser, before selecting the Start Quiz button, ensure that “Bypass Restrictions” is enabled:
If you would like to preview the quiz while using Respondus Lockdown Browser, before selecting the Start Quiz button, ensure that “Bypass Restrictions” is not enabled:
Please note that if you disable "Bypass Restrictions," this refers to all restrictions on the D2L Quiz. So, for example, date restrictions that limit student access will also apply during your quiz preview attempt.