理财产品风险等级划分,根据风险从高至低,理财产品风险评级分为高风险、()和低风险五个等级。
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选用高压流量自控仪时,要根据公称通径、公称压力、流量范围、被测介质的温度和性质来选用。()
A. 正确
B. 错误
如果市场上短期国库券的利率为6%,通货膨胀率为2%,风险收益率为3%,则资金时间价值为4%。()
A. 正确
B. 错误
杂质沉积在过热器管壁上,会使传热能力降低,轻则使蒸汽吸热减少,排烟温度升高,锅炉效率降低。
A. 正确
B. 错误
Which of these is true regarding the configuration and application of port access control lists? ()
A. PACLs can be applied in the inbound or outbound direction of a Layer 2 physical interface.
B. At Layer 2, a MAC address PACL will take precedence over any existing Layer 3 PAC
C. When you apply a port ACL to a trunk port, the ACL filters traffic on all VLANs present on the trunk port.
D. PACLs are not supported on EtherChannel interfaces.