自学一指导教学模式是指教学活动以（）为主，教师的（）贯穿予学生自学始终的教学模式。
国际货物买卖法
You deployed new fibers in your network to replace copper spans that were too long. While reconnecting the network， you experienced network problems because you reconnected wrong fibers to wrong ports. What could you do to prevent this type of problem in the future， particularly when connecting and reconnecting fiber pairs？ （） Only use fiber in pairs.。 Configure root guard on your switches.。 Do not use fiber but use copper.。 Configure UDLD to prevent one-way link conditions.。
磁铁矿属于（）。 强磁性矿物。 弱磁性矿物。 非磁性矿物。 中磁性矿物。
在泰勒的设计模式中，课程目标的来源有三个方面：（）、学校以外的现实生活和学科内容。
In order to configure two routers as anycast RPs，which of these requirements，at a minimum， must be satisfied？（）
