下列选项中，不属于申报企业管理层的责任的是（）。 A.聘用称职的人员 。 B.选择和运用恰当的会计政策 。 C.作出合理的会计估计 。 D.恰当界定研究开发项目、高新技术产品（服务）的具体范围。
Cisco Unified Communications 500 Series for Small Business， a critical part of the Cisco Smart Business Communications System， is a unified communications solution for small businesses that provides voice， data， voicemail. Which three features does the Cisco UC520 support？（） distributed routing。 Cisco Unity Express。 security， firewall and VPN。 analog device。
在合理情绪疗法的ABC理论中，A代表（） 诱发事件。 信念。 引发不良情绪的根源。
Why is the Cisco Integrated Services Router product line A good choice for customers?（） it is A point product solution that addresses A single need。 it simplifies purchasing because there is only one model to choose.。 it integrates multiple services into A single platform and reduces operating costs.。 it provides customers with an opportunity to increase the number of devices in their network。
公安机关消防机构送达行政处罚决定书时不能采用（）的方式。 当场交付。 直接送达。 留置送达。 电话通知。
Which authentication types are allowed with the cisco adu when selecting wpa/wpa2/cckm under the security options？（）
