Which of the following options can reduce the impact caused by nonlinear effects in WDM systems? (Multiple choice)

• A.Advanced Lighting Technology
• B.Controlling Optical Power
• C.Dispersion management
• D.Use high performance optical fiber

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For OSN series equipment, when the standby board is normal, which of the following operations will not cause the active/standby switchover of the crossover or clock board?

• A.The upper and lower handle bars of the main board are opened at the same time
• B.Logically delete the main cross and clock board
• C.Hard Reset Crossover or Clock Motherboard
• D.Issue the active/standby switchover command

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Pointer adjustment is related to which of the following?

• A.Scrambling
• B.The clock
• C.Expenses
• D.Speed

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The length range of the DATA field in the Ethernet frame structure is?

• A.46-1518 bytes
• B.Sections 64-1518
• C.64-1500 bytes
• D.46-1500 bytes

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Optical power is an Important indicator of a WDM system and directly affects the transmission distance of signals. Therefore, the output optical power of a site must be as high as possible to ensure that signals can reach the peer site.

• A.TRUE
• B.FALSE

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