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H12-821_V1.0 · Question #1066
H12-821_V1.0 Question #1066: Real Exam Question with Answer & Explanation
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Question
When a user detects fault in channels at multiple network layers, ensuring high reliability. In which of the following layers does BFD belong?
Options
- AApplication layer
- BData link layer
- CPhysical layer
- DNetwork layer
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