Network tools are software or hardware applications designed to help manage, monitor, and troubleshoot computer networks. They can assist in tasks such as analyzing network performance, detecting security vulnerabilities, and ensuring proper configuration of devices. Common examples include ping, traceroute, and Wireshark, which provide insights into network traffic and connectivity. These tools are essential for network administrators and IT professionals, as they help maintain the efficiency and security of networks. By using network tools, organizations can quickly identify issues, optimize performance, and protect against potential threats, ensuring smooth communication and data transfer across their systems.