I don't think so. But its good to start for part 2, soon after you finish part 1. As part 1 knowledge is required for part 2 and if you put more than a few months gap, then you might have to put more effort for part 2.
Journey is as important as the Destination.<br /> <br />PMP, SCJP, SCJD, SCEA (Part 1), SCMAD, SCDJWS