CCNA系列认证单项选择题每日一练(2020.04.23)

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1 The Testking corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?（）

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2 Which type of attack is characterized by flood of packet that requesing a TCP connection to a server?（）

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3 在将ACL应用到路由器接口的过程中，哪个流量将被指定为出站流量？（）

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4 Acknowldgement, Sequencing, and Flow control are characteristics of which OSI layer?（）

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5

自动化生产线上的振动传感器检测到异常状况。传感器与控制器通信，控制器将自动关闭线路并发出警报。该场景代表哪种类型的通信？（）

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