Routing and switching is a useful area to understand in an MCA because it connects academic knowledge with practical technology work. Students should learn the concept, practise it through small exercises and then apply it in a project. If your target role involves routing and switching, include at least one demonstrable project rather than mentioning the topic only as a skill. 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.