單項選擇題A group of hosts are physically connected to the same switch. The hosts are used by employees of different departments and therefore do not need to directly exchange data on a regular basis.Which technology can a network administrator deploy to reduce unnecessary broadcast traffic between these hosts?（）

A. Micro segmentation
B. Transparent switching
C. peer-to-peer networking
D. port security
E. store-and-forward switching
F. virtual local area networks