A company purchased a set of Huawei distributed storage and used QoS flow control technology to control the user's I/O when deploying block services. Which mechanism can be used to manage the I/O queue?

A company purchased a set of Huawei distributed storage and used QoS flow control technology to control the user’s I/O when deploying block services. Which mechanism can be used to manage the I/O queue?

A company purchased a set of Huawei distributed storage and used QoS flow control technology to control the user’s I/O when deploying block services. Which mechanism can be used to manage the I/O queue?
A . Token bucket
B . File bucket
C . Data bucket
D . Object bucket

Answer: A