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單項選擇題

Which of the following devices will allow a technician to measure the amount of data that is capable of traversing the network?（）

A. Event logs
B. Throughput tester
C. Packet sniffers
D. OTDR

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單項選擇題

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

單項選擇題

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

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