The IELTS test evaluates candidates on four language skills, with a total duration of 2 hours and 44 minutes, including sections for listening, reading, writing, and speaking. The listening section includes four recordings, while the reading section consists of 40 questions from various sources for both academic and general training. The writing segment requires candidates to complete tasks based on data description or essay writing, and the speaking test involves three parts focusing on personal topics and abstract discussions.