單項(xiàng)選擇題

In optical transmission systems， chirped lasers are used for the purpose of：（）.

A.Turning the laser to a specific ITU channel
B.Keeping the signal wavelength "locked" to a specific technology
C.Suppressing FWM and SBS non-linear effects
D.None ofthe above

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單項(xiàng)選擇題

What layer of the TMN （telecommunications management network） model does CTM fit into？（）

A.Network management layer
B.Element management layer
C.Business management layer
D.Network element layer

單項(xiàng)選擇題

What features set is most frequently used to prevent hackers from flooding a port with MAC- addresses？（）

A.BPDU Guard
B.802.x
C.Port Security
D.Storm Control

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In optical transmission systems， chirped lasers are used for the purpose of：（）.

你可能感興趣的試題

What layer of the TMN （telecommunications management network） model does CTM fit into？（）

What features set is most frequently used to prevent hackers from flooding a port with MAC- addresses？（）

In optical transmission systems， chirped lasers are used for the purpose of：（）.

What layer of the TMN （telecommunications management network） model does CTM fit into？（）

What features set is most frequently used to prevent hackers from flooding a port with MAC- addresses？（）