单项选择题 Which of the following should be used to ensure that all packets are received by every connecteddevice?（）

单项选择题 A network technician is concerned about the environmental effects of power consumption and heat from network resources Limited space is also a concern. Which of the following technologies should be implemented?（）

单项选择题 When each routing device has a consistent view of the network topology, the network is said to be:（）