when we go for a software testing job in a big CMM-5 company, is there any certificate needed for software testing. because i had done my mca thru distance education. and with my own interest I learned Manual testing, winrunner,Testdirectory, Loadrunner,QTP etc. but I dont have any certificate. but presently iam working in a small ITcompany as a software trainee. so my question is this is it mandatory of all these local center certificate for proof of my knowledge. please anybody answer to this question?