To make sure timing limitations are not violated when implementing a 10 Mbps Ethernet network involving hubs or repeaters, a technician should adhere to which rule?

• 确定时间安排限制不被违犯当实现包括毂或重复的人一个10百万位元／秒乙太网络网络,一个技术人员应该附着到哪一规定?