摩擦因数的影响因素
You are designing a solution that needs to support 40 IP phone users. Which routers model does the Cisco Single-Site Secure Network Foundation 1.1 Designing and Implementation Guide suggest for this Solution？（） ["Cisco 3825","Cisco 2851","Cisco 3845","Cisco 2811","Cisco 2821","Cisco 2801"]
下列选项中哪些属于学生学习的特点？（） ["以间接经验的掌握为主线","有较强的计划性、目的性、组织性","具有一定程度的被动性","完全是主动的","完全是被动的"]
从安全生产的角度，（）是指可能造成人员伤害、疾病、财产损失、作业环境破坏或其他损失的根源或状态。 ["危险","危险度","危险源"]
非系统性风险
运用成本法评估资产价值有哪些优点？
