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.。 RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link.。 The switch is rewriting packets it receives from the IP phone and determining theCoS value. 。 The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set theCoS.。 The host is now establishing theCoS value and has effectively become the trust boundary.。
简述大学生心理咨询的主要内容和主要模式。
简述5种以上不属于扩大国家免疫规划，但家长可以自愿自费接种的疫苗种类？
税收“三性”
实现中国梦必须弘扬中国精神。这就是以（）为核心的民族精神，以（）为核心的时代精神。 爱国主义；改革开放。 改革创新；爱国主义。 爱国主义；改革创新。 改革开放；民主法治。
如何选取文本中的整个段落（）
