Huawei
H31-311_V2.5 · Question #449
H31-311_V2.5 Question #449: Real Exam Question with Answer & Explanation
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Question
What are the main advantages of WDM? (Multiple choice)
Options
- AUltra-large capacity, "transparent" data transmission
- BThe system is easy to upgrade and can protect existing investments to the greatest extent possible
- CCan completely replace SDH equipment
- DCompatible with future all-optical switching networks
- EHigh networking flexibility, economy and reliability
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