TOEFL is an English exam that students going to the USA are required to appear for. The modules that are tested are Reading, Listening, Writing, and Speaking. This is an Internet-based exam and the maximum grades are 120. The student needs to register for the exam on the TOEFL website with a valid passport. Test of English as a Foreign Language needs the candidate to be comfortable with the language so that he can use it effectively as a communication tool.