CFA Program exam consists of three levels. Level II exam is offered in June every year. Exam is divided in two sessions of three hours each. Exam is conducted on Saturday. Exam format is a story (vignette) followed by six questions. There are 20 such stories. Total number of questions is 120. CFA Institute does not release past actual exam papers. You can practice from sample questions provided by the Institute and from the online question bank available on the website of CFA Institute. Topics covered are ethics, economics, quantitative methods, financial reporting, corporate finance, equity, fixed income, derivatives and alternatives. Number of questions from each topic varies but generally is within the range of 2-3 for each topic area.
There are many third party prep providers with question bank for CFA Level 2. One of the most popular is Schweser. FinQuiz also offers pdf files of item set format questions for CFA Program. You can download sample files here: https://www.finquiz.com/cfa-study-material/
Total number of questions in Level II is half of level one but that does not make it easier. Many students find Level II to be the most difficult exam of all three.