[单选] 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?（）

明度 教育叙事研究的要素包括研究背景、核心问题、细节描述。 接生过程中，以下说法错误的是：（） 宫缩时，协助胎头俯屈。 协助胎头俯屈，是变枕下前囟径为枕额径。 应让胎头在宫缩间歇期娩出。 胎肩娩出后，仍应注意保护会阴。 宫缩时，接生者以手掌大鱼际肌向上内上方托会阴体。 创新思维的许多成功案例充分证明，没有（）就没有创新思维。 民主性。 从众性。 独立性。 色彩的比例 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?（）