What functions does Huawei's all-optical video backhaul network technology have? (Multiple Choice)

• A.Improve the quality of network equipment
• B.Guarantee full-time availability
• C.Save backbone optical fiber
• D.End-to-end network management to improve operation and maintenance efficiency

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The main factors that limit fiber-optic communication systems include dispersion, attenuation, signal-to-noise ratio, and nonlinearity.

• A.False
• B.True

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IP+optical+Ti-Fi6 is one of the four cutting-edge product combinations in the airport's overall expansion strategy.

• A.True
• B.False

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What levels does the MSTP network in the power industry cover? (Multiple Choice)

• A.National
• B.Cities and substations above 35kv
• C.Division
• D.Save

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The main requirements for the dedicated line business undertaken by radio and television include (). (Multiple Choice)

• A.Physical isolation
• B.Safe and reliable
• C.Low latency
• D.Large bandwidth
• E.Rigid load bearing

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