When selecting a network monitoring tool, businesses should consider the following factors: 1. Size of the Network: Choose a tool that can handle the scale and complexity of your network. 2. Budget: Consider the cost of the tool and whether it fits within your budget. Some tools offer free versions with limited features, while others require a subscription. 3. Ease of Use: The tool should have an intuitive interface that allows for easy setup and management. 4. Integration: Ensure the tool can integrate with your existing IT infrastructure and other software applications. 5. Support and Community: Look for tools that offer robust support and have an active user community for troubleshooting and advice.