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Exam 4A0-116 All QuestionsBrowse all questions from this exam

Question 40

Which of the following is NOT a valid option to steer traffic into a flex-algo segment-routing tunnel?

Using a flex-algo Node-SID as an explicit hop in the path definition of an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.

Specifying the flex-algo instance ID as an additional TE constraint for an SR-TE LSP and enabling the sr-te tunnel type for a VPN service.

Configuring and applying a VRF import policy to a VPRN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.

Configuring and applying a VSI import policy to an EVPN service and enabling the sr-is-is or sr-ospf tunnel type for the service, depending on the underlying routing protocol.

Correct Answer: B

Specifying the flex-algo instance ID as an additional TE constraint for an SR-TE LSP and enabling the sr-te tunnel type for a VPN service is not a valid method to steer traffic into a flex-algo segment-routing tunnel. This method is not supported because flex-algo instance IDs are not intended to be used as constraints in SR-TE LSPs.

Discussion

MichanisOption: B

B is correct as you cannot specify a flex-algo instance ID under a SR-TE LSP. The other answers are valid methods of steering a service to a flex-algo.

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hazemsalah87Option: B

B is the correct answer