Answer:
The quality of service is basically depend upon the users and traffic the network. The network ideally contain less drop of the packets and also has low latency in the network.
The quality of service is implemented in the storage area network (SAN) to ensure the level of the performance in the network.
There are many types of network like local area network (LAN) and wide area network (WAN) and it require high throughput in the system. When the network use the quality of service method then, it provide high efficiency and performance.