Most airline interviews are behavioural based. This means they will ask you questions about times you excelled at your job, and times you made mistakes.
If the day comes that you attend your first airline interview, and they ask you if you've ever screwed-up and you say "never" then don't plan on getting hired. What the interviewer wants to hear is that you've made a mistake, and then you learned from your experience so that it would never happen again.
My advise is to spend some time re-reading the air regulations, airspace definitions, and looking at your charts, so that you fully understand why the violation occured and so that you can help yourself and others from making the same error.
Then you will have one great learning experience to draw on at your first interivew. Making mistakes and learning from them can sometimes be the best thing that ever happens to a pilot.