Networking professionals use a variety of tools to design, configure, troubleshoot, and manage networks effectively. Network analyzers, such as Wireshark, assist in capturing and analyzing network traffic for diagnostics and performance optimization. Configuration management tools like Ansible and Puppet automate network device configurations, ensuring consistency and efficiency. Network monitoring tools, such as Nagios or SolarWinds, provide real-time insights into network performance, helping identify issues promptly. Command-line tools like Ping and Traceroute help diagnose connectivity problems and measure network latency. Security-focused tools like Nmap are utilized for network scanning and vulnerability assessment. Additionally, network simulation tools like Cisco Packet Tracer enable professionals to test network configurations in a virtual environment before implementation. These tools collectively empower networking experts to maintain robust and secure network infrastructures.