Embodiments of a device and method are disclosed. In an embodiment, a method for managing a network deployed at a customer site involves at a cloud server connected to the network, receiving wireless signal strength information that are detected by wireless sensors of wireless access points (APs) of the network deployed at the customer site; and at the cloud server, automatically disabling service-level agreement (SLA) scanning and probing of a first wireless sensor of a first wireless AP of the wireless APs when the wireless signal strength information indicates that wireless signal strength of each neighbor wireless AP of the first wireless AP is below a predefined threshold.