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 switchingB. Network address translationC. Power over EthernetD. Virtual servers

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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