Which of the following would prevent destination goal conversions from being recorded?
- There was a misspelling in the URL of the goal definition.
 - The tracking code is missing from the conversion page.
 - No URL destination goals have been defined
 - The match type in the goal definition is incorrect.
 - All of these would prevent a destination goal from recording.
 
Correct answer is:
- All of these would prevent a destination goal from recording.
 
Explanation: There can be any answer from all above mentioned. All the given options are correct and would prevent destination goal to be recorded.
Read more here: https://support.google.com/analytics/answer/1033158?hl=en