Assignment help services should not assist with online exams or quizzes in a way that violates academic integrity. While they may offer guidance and resources to help you prepare for exams, directly providing answers during an exam undermines the purpose of assignment help and can lead to academic dishonesty. However, some services may offer tutoring or study materials to help you understand the material covered in online exams or quizzes. It's essential to use these resources ethically and ensure that your performance reflects your own understanding and effort. Cheating undermines the learning process and can have serious consequences.