Computer networks explain how devices and systems communicate. Topics such as TCP/IP, routing, switching, DNS and network layers give MCA students a foundation for software and infrastructure roles. This makes computer networks more valuable when it is supported by hands-on practice and a clear explanation of what you built. This point is specifically relevant to the computer networks aspect of MCA study. For this specific question about computer networks, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: How does computer networks connect with software careers?