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Exam 4A0-220 Topic 1 Question 2 Discussion

Actual exam question for Nokia's 4A0-220 exam
Question #: 2
Topic #: 1
Which of the following best describes the Shutting Down state in the NFM-T?

Suggested Answer: D Vote an answer

Explanation
The Shutting Down state is a transient state that occurs when a TE-link is set to maintenance mode in the NFM-T. In this state, the TE-link is not available for routing new LSPs, but the existing LSPs (SNCs) that use the TE-link are not immediately terminated. Instead, they are soft-rerouted, which means that they are gracefully switched to alternative paths without disrupting the traffic. The Shutting Down state lasts until all the SNCs on the TE-link are successfully soft-rerouted or forcefully terminated. After that, the TE-link transitions to the Administrative Maintenance state, where no traffic can be routed over the TE-link12.
References:
* 1: Nokia GMPLS-controlled Optical Networks Course | Nokia
* 2: Nokia Network Functions Manager for Transport User Guide | Nokia

by Maggie at Jul 24, 2025, 08:27 PM

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