Networking and cybersecurity are among the fundamental pillars of modern technology. Networks enable devices to connect and exchange data, while cybersecurity protects systems, networks, and information from cyberattacks and unauthorized access. Various digital services, such as browsing websites, sending emails, and making video calls, rely on an integrated network infrastructure that includes devices such as routers and switches, as well as communication protocols such as TCP/IP, DNS, and DHCP. Computer networking aims to ensure fast, reliable, and continuous data transmission while minimizing response time and supporting scalability to meet growing demands. With the rapid advancement of digital technologies and the increasing number of cyber threats, network protection has become an essential requirement that cannot be separated from the communication process. This highlights the importance of cybersecurity in protecting systems and data from breaches, data leakage, and unauthorized activities through various technologies, including firewalls, encryption, Virtual Private Networks (VPNs), intrusion detection systems, and network monitoring platforms that analyze suspicious activities. Networking and cybersecurity complement each other in the field of network security, which represents one of the most important practical applications of this integration. Dividing networks into Virtual Local Area Networks (VLANs) helps limit the movement of attackers within a network, while firewall rules and secure communication configurations contribute to regulating data traffic and strengthening system protection. Despite the importance of security measures, implementing additional layers of protection may sometimes affect network performance or ease of access to services. Therefore, cooperation between network engineers and cybersecurity specialists is essential to designing systems that combine efficiency and security from the earliest stages of development. From this perspective, understanding networking fundamentals is an important step for those seeking to specialize in cybersecurity. Knowledge of data transmission mechanisms and communication protocols helps professionals identify abnormal behavior, analyze threats, and respond effectively to security incidents. In light of ongoing digital transformation, professionals who combine networking knowledge with advanced cybersecurity skills are becoming increasingly important. They play a vital role in building secure and reliable digital environments, protecting technological infrastructure, and strengthening trust in electronic services.