Which of the following best describes a network that modifies its behavior based on the type of application traffic it detects?
A network that prioritizes video streaming over regular browsing to ensure quality service.
A network that uses the same routing protocol for all data packets flowing through it.
A network with fixed QoS policies that strictly segments bandwidth based on VLAN IDs regardless of traffic type.
A network that employs a standard firewall rule set applied uniformly to all traffic.