工厂里一些危险品、重要开关、报警信号灯等，一般都采用（）色作标志。 蓝。 绿。 红。 黄。
地下铁道隧道工程的防水设计，应根据工程与水文地质、地震烈度、结构特点、施工方法和使用要求等因素进行，所遵循的原则以下错误的是（）。 综合治理。 因地制宜。 刚柔结合。 防、排、截、堵并重。
You work as a network technician at Certkiller .com. Please study the exhibit carefully. Which three of these are accurate description of values that you will find in the verified column for different types of products？（） If the solution is configured and orderable， a check mark will be displayed.。 If the configuration is incomplete， the words "Not Configured" will be displayed。 If the part is a non-configurable part， the words "Not configurable" will be displayed。 If the solution is not orderable， a check mark will be displayed。 If the configuration is complete， the word Done will be displayed。 If the solution is not configured， a check mark will be displayed。
How are RIP routing contexts implemented in MPLS VPN? （） RIP does not support routing contexts。 routing contexts are implemented in a single routing process。 routing contexts are implemented using multiple routing processes。 routing contexts are implemented as several instances of a single routing process。 routing contexts are implemented as a single instance of several routing processe。
以下哪个不是健康家庭关系的表现（） 健康的婚姻关系。 自己当家作主。 良好的亲子关系。 和谐的原生家庭。
以经营者在其生产、经营活动中所创造的新增价值或商品附加值为征税对象的一种税为（）
