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H31-311_V2.5 · Question #335
H31-311_V2.5 Question #335: Real Exam Question with Answer & Explanation
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Question
Are the following statements about the definition of SDH correct?
Options
- AHierarchical structures available for asynchronous digital transmission
- BA hierarchical structure of standardized digital signals that can be multiplexed asynchronously
- CA hierarchy of standardized digital signals that can be cross-connected asynchronously
- DComplete standard digital signal hierarchy, providing synchronous digital transmission,
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