单项选择题
A. Event logs B. Throughput tester C. Packet sniffers D. OTDR
Which of the following should be used to ensure that al...
单项选择题Which of the following should be used to ensure that all packets are received by every connecteddevice?（）
A. Hub B. Router C. Switch D. Firewall
A network technician is concerned about the environment...
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?（）
A. Circuit switching B. Network address translation C. Power over Ethernet D. Virtual servers
When each routing device has a consistent view of the n...
单项选择题When each routing device has a consistent view of the network topology, the network is said to be:（）
A. fault tolerant B. converged C. autonomous D. vectored
