Cambridge C1 (CAE)
1. How many different papers are there in the exam?
4 (Reading and Use of English, Writing, Speaking, Listening)
2.How long does it take to complete the exam?
About 4 hours in total (but the Speaking exam may be on a different day).
3. Where can you find more information online about C1 Advanced?
https://www.cambridgeenglish.org/exams-and-tests/advanced/