Which two statements describe the criteria bandwidth detection uses to dynamically alter bandwidth allocation?()(Choose two.)

Which two statements describe the criteria bandwidth detection uses to dynamically alter bandwidth allocation？()（Choose two.)

A. Throughput is raised as latency decreases.

B. Throughput is based on available bandwidth.

C. Throughput is lowered as latency decreases.

D. Latency is measured by SYNs returned for each metapacket.