Network diagnostics refers to the process of identifying and resolving issues within a computer network. This involves using various tools and techniques to analyze network performance, detect faults, and ensure that all devices are communicating effectively. Common issues include slow connections, dropped signals, and hardware malfunctions. To perform network diagnostics, professionals often use software applications and hardware tools that can monitor traffic, check connectivity, and assess the health of network components like routers and switches. By diagnosing problems, network administrators can maintain optimal performance and ensure reliable communication across the network, benefiting users and organizations alike.