All you need to do is present yourself in their recruitment hub with your resume and wait for the exam and be interviewed. The moment you pass the exam and the initial interview you'll be endorsed and depending on what program/LOB you would be assigned their would be additional testing (e.g. versant and berlitz). The said examples mainly rates your conversational skill. After passing the additional testing (if necessary) you'll be endorsed for a final interview either with the operation manager or a team manager after that they will decide if you pass or fail.