An MCA can open routes into software development, testing, databases, analytics, networking, cybersecurity and other IT functions. Employers will still look at practical skills and experience. Students can judge their progress in routing and switching by solving problems independently instead of depending entirely on guided tutorials. This point is specifically relevant to the routing and switching aspect of MCA study. For this specific question about routing and switching, the practical takeaway is to relate the concept to your own MCA learning goal.