网络通信协议有哪几层? 正确。 错误。
目标导向的课程管理模式 正确。 错误。
刘某投保意外伤害人身保险,保险金额20万元。保险有效期内,被保险人王某不慎被肇事司机张某撞死,指定其子为受益人。被保险人的受益人即其家属能否同时向保险公司和张某索赔? 正确。 错误。
You are planning to connect your three branch offices to the corporate site via Frame Relay. The first branch office has been assigned the network 10.1.0.0/16, the second 10.2.0.0/16, the third 10.3.0.0/16, and the corporate headquarters uses 10.0.0.0/16. You would like to summarize all branch and corporate networks into a single route at the corporate site. Which network address and subnet mask should you choose?() 正确。 错误。
CPCD30型表示它是平衡重式叉车,以柴油机为动力,液压传动,额定起重量为3t。 正确。 错误。
学生票限于使用普通旅客列车硬座和动车组列车,使用普通旅客列车硬卧时应当补收票价差额。