Is it difficult to practice low-voltage electrician? Tell me about those who passed the exam

It's not difficult to have an electrician foundation to take the practical test. It's very difficult if you are a beginner, because the current practical exercises are all operated on the computer, and there are four big questions, each of which has many sub-items. Have direct veto power. If you want to take the exam, I suggest you go to the training center to practice more.