You work as a technician for TechPerfect Inc. There are up to 25 telecommuters using VoIP at any given time. You want to ensure that the Web browsing performed by the valid users on your network…

You work as a technician for TechPerfect Inc. There are up to 25 telecommuters using VoIP at any given time. You want to ensure that the Web browsing performed by the valid users on your network does not interfere with the required bandwidth for VoIP communications across the Internet. Which of the following technologies will allow you to ensure that the users can browse the Internet while not allowing these users to thwart the operations of the telecommuters?