There will be 4 practice questions for you to do before the actual test so that you can get a feel for the test and you will also be given the opportunity to select various screen colours and font sizes before you start the test.
Results and certificate are printed and given to candidates at the end of the test session and the certificate is valid for life. It is important to keep the certificate safe until you need to send in your application for ILR or your British Passport.