How does computer networks relate to current IT jobs?

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. A good MCA study plan should leave time for both the theory behind computer networks and regular implementation practice. 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.