逼真性与假设性的统一是（）的基本特征之一。
下列关于创新思维特征的说法中，不正确的是（）。 ["思维活动依赖性","思维过程灵活性","思维成果新颖性","思维空间开放性"]
At a certain customer’s site， a NAS is logically in the traffic path but not physically in the trafficpath. The NAS identifies clients by their IP addresses. In which access mode has this NAS beenconfigured to operate？（） [" Layer 2 Edge mode"," Layer 2 Central mode"," Layer 2 In-Band mode"," Layer 3 mode"]
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。
某企业2006年利润为250000元，2007年的经营杠杆系数为2，如果2007年的销售变动率为5%（10分）要求：请预测在销售量变动后2007年的利润变动率以及利润变动额。
