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4A0-C01 · Question #569
4A0-C01 Question #569: Real Exam Question with Answer & Explanation
The correct answer is D. The LSP will switchover to R1-R3-R5-R6 after the retry timer expires.. See the full explanation below for the reasoning.
Question
Click on the exhibit. A fully loose LSP "toR6" is enabled with FRR protection. All links have the same cost. After the link between R2 and R4 goes down, FRR protection repairs the LSP and traffic traverses on R1-R2-R7-R8-R4-R6. Which of the following about this CSPF-enabled LSP on an Alcatel-Lucent 7750 SR is TRUE?
Exhibit
Options
- AThe LSP will stay on the current path indefinitely unless another failure occurs.
- BThe LSP will stay on the current path until the resignal timer expires.
- CThe LSP will switchover to R1-R2-R3-R5-R6 after the resignal timer expires.
- DThe LSP will switchover to R1-R3-R5-R6 after the retry timer expires.
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