As a surveillance operator, you will be responsible for documenting any incidences. Do you have experience in writing and documentation?
Answer honestly. If you don't have any direct experience, give examples of times when you documented occurrences; even better if they had a real impact.
Whether or not you do, demonstrate your attention to detail, integrity, and writing ability. If you have real examples, use them. If not, give a clear step-by-step view of how you would document an incident.
"I don't have any direct experience, but I've been practicing my report writing and documentation skills. I know that date and time is important, and that being concise and factual is important. For example, if there's a fight, I need to note who began the altercation at what time..."