Sometimes if they're asking you specific definitions of things, it might be all you can say. "What is polymorphism?" If you don't know... you have to just say so. But if they ask something less cut and dry, then definitely follow the advice above.
Sometimes if they're asking you specific definitions of things, it might be all you can say. "What is polymorphism?" If you don't know... you have to just say so. But if they ask something less cut and dry, then definitely follow the advice above.