问题：

[多选] Which two are characteristics of the Transfer Object design pattern？（）

A . It reduces network traffic by collapsing multiple remote requests into one.
B . It increases the complexity of the remote interface by removing coarse-grained methods.
C . It increases the complexity of the design due to remote synchronization and version control issues.
D . It increases network performance introducing multiple fine-grained remote requests which return verysmall amounts of data.