A+ Pop Quiz: Too late for thatVala manages a wireless network at a small remote office. After logging into her wireless router, she notices that her port forwarding and QoS settings have been changed from their normal configuration. Which of the following would be the FIRST step to resolve this situation? Disable any unused interfaces on the router Change the router management username and password Protect the router behind a locked door Disable DHCP on the router Monitor network traffic for anything suspecious Consider taking a sick day