单选题What is the recommended practice regarding UDLD when implementing it in all fiber-optic LANports？（）A Adjust the default hello timers to three seconds for aggressive modeB Enable it in global mode and on every interface you need to supportC Enable it in global mode to support every individual fiber-optic interfaceD Enable it to create channels containing up to eight parallel links between switches
单选题
What is the recommended practice regarding UDLD when implementing it in all fiber-optic LANports？（）
A
Adjust the default hello timers to three seconds for aggressive mode
B
Enable it in global mode and on every interface you need to support
C
Enable it in global mode to support every individual fiber-optic interface
D
Enable it to create channels containing up to eight parallel links between switches
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