Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（） ["Effectively the trust boundary has been moved to the IP phone","The host is now establishing the CoS value and has effectively become the trust boundary","The switch is rewriting packets it receives from the IP phone and determining the CoS value","The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set the CoS","RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link"]
欧洲的好战性在一定程度上导致了现在欧洲的国家林立的局面。
“设备和装置的结构不良，强度不够，零件磨损和老化”而导致事故，对应的事故原因构成要素归属于（） ["人的不安全行为","物的不安全状态","环境的不安全状态","管理上的原因"]
流感病毒的主要传播途径（） ["呼吸道传播","消化道传播","血液传播","垂直传播"]
对于从“开始”菜单功能的说法中，不正确的是（） ["从开始菜单可以启动画图程序。","从开始菜单不能进入资源浏览器。","从开始菜单可以启动文字处理软件Word。","从开始菜单可以进入控制面板。"]
情绪性攻击
