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单选题
A SONET network typically uses which of the following transmission media?（）
A
Single-mode fiber
B
Multimode fiber
C
Copper
D
Wireless
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考题
单选题On an ONS 15454 node you can tunnel a（n） （）.A
SDH circuit over a SONET network delivering it as an SDH signalB
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SONET circuit over an SDH network delivering it as a SONET signal
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The network uses MAC filteringB
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EAP-TLSD
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单选题Which of the following network media types uses laser light to carry the information?（）A
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单选题On an ONS 15454 node you can tunnel an （）.A
SDH circuit over a SONET network delivering it as an SDH signalB
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SONET circuit over an SDH network delivering it as a SONET signal
考题
单选题Uses are unable to print to any of the network printers. Which of the following should the administrator perform FIRST？（）A
Reboot the printer server.B
Reinstall the drivers for the printers.C
Restart the print spooler service.D
Reboot the printers.
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