[单选] The Company LAN is becoming saturated with broadcasts and multicast traffic. What could you do to help a network with many multicasts and broadcasts？（）
A . Creating smaller broadcast domains by implementing VLANs. B . Separate nodes into different hubs. C . Creating larger broadcast domains by implementing VLANs. D . Separate nodes into different switches. E . All of the above.
在进行单因素敏感性分析时，首先是要确定分析指标。如果主要分析方案状态和参数变化对方案投资回收快慢的影响，则可以选用（）作为分析指标；如果主要分析产品价格波动对方案超额净收益的影响，则可以选用（）作为分析指标。
以下（）属于创业投资项目成熟期会考虑的因素。 创业者的管理能力和资源。 目标企业的性质及未来的盈利空间。 市场竞争优势和市场价值。 新产品的开发情况。
Selective packet discard（SPD）operates in the following modes（）. normal。 select。 random。 discard。 full。
标准的acl，作用在inbound方向有什么作用？
生物膜有哪些特性使其在净化污水中起重要作用？
The Company LAN is becoming saturated with broadcasts and multicast traffic. What could you do to help a network with many multicasts and broadcasts？（）
