How does network security relate to current IT jobs?

Network security focuses on protecting systems and traffic from unauthorised access and attacks. Students should understand concepts such as authentication, firewalls, secure protocols and threat awareness. If your target role involves network security, include at least one demonstrable project rather than mentioning the topic only as a skill. This point is specifically relevant to the network security aspect of MCA study. For this specific question about network security, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: How does network security relate to current IT jobs?