Huawei
H12-821_V1.0 · Question #244
As shown in the figure, the network layers of R1 and R2 are directly connected, and there are layer- 2 transmission devices S71 and S72 in the middle of the link. Now the user hopes that the devices…
The correct answer is C. BFD single-hop detection layer 2 link. See the full explanation below for the reasoning.
Question
As shown in the figure, the network layers of R1 and R2 are directly connected, and there are layer- 2 transmission devices S71 and S72 in the middle of the link. Now the user hopes that the devices at both ends can quickly sense the failure of the intermediate link, thereby triggering rapid route convergence, which of the following detection mechanisms should be configured?
Options
- ALinkage between BFD status and interface status
- BBFD in single-hop detection layer 3 link
- CBFD single-hop detection layer 2 link
- DBFD multi-hop detection
How the community answered
(55 responses)- A4% (2)
- B7% (4)
- C76% (42)
- D13% (7)
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