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Free PDF Quiz Efficient Nokia - 4A0-116 - New Nokia Segment Routing Exam Test Review
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Nokia Segment Routing Exam Sample Questions (Q29-Q34):
NEW QUESTION # 29
For any of the LFA methods to work properly, there must be a router in the backup path that will forward traffic addressed to the destination without sending it back to the source. Which of the following statements describes the way R-LFA selects such a router?
- A. It selects an immediate neighbor.
- B. It selects a remote router, reachable through a tunnel defined by a Node-SID and one or two Adjacency-SIDs.
- C. It can select an immediate neighbor or a remote router, as long as the backup path coincides with the path that will become active after IGP reconvergence.
- D. It selects a remote router, reachable through a tunnel defined by a single Node-SID.
Answer: C
Explanation:
R-LFA (Remote Loop-Free Alternate) is a method that can select either an immediate neighbor or a remote router to be used as a backup next hop, as long as the backup path coincides with the path that will become active after IGP reconvergence.
NEW QUESTION # 30
In which of the following aspects does the configuration of flex-algo LSPs have an advantage over the configuration of SR-TE LSPs?
- A. List of traffic-engineering constraint types available to choose from
- B. Flexibility of configuring each LSP with its own set of traffic-engineering constraints
- C. Label stack size of the encapsulated data packets
- D. Ability to associate one primary and up to two secondary paths to the same LSP
Answer: B
Explanation:
Flex-Algo LSPs are a type of LSP that allows for greater flexibility in configuring traffic engineering constraints. This is because flex-algo LSPs can be configured with a unique set of traffic engineering constraints for each LSP, whereas SR-TE LSPs use a predefined set of traffic engineering constraints that applies to all LSPs.
Label stack size of the encapsulated data packets, List of traffic-engineering constraint types available to choose from, and Ability to associate one primary and up to two secondary paths to the same LSP are not the advantages of flex-algo LSPs over SR-TE LSPs.
NEW QUESTION # 31
Based on the configuration shown for routers R1 and R10, what valid flex-algo definitions exist in the network?
- A. One valid flex-algo definition, using te-metric as the link metric and including blue links.
- B. No valid flex-algo definitions, because of the conflicting parameters.
- C. One valid flex-algo definition, using delay as the link metric and including green links.
- D. Two valid flex-algo definitions, one uses te-metric as the link metric and includes blue links and the other uses delay as the link met includes green links.
Answer: D
NEW QUESTION # 32
Examine the exhibit.
An LSP is being configured to start at R1 and end at R6 using local CSPF. The LSP has the following constraints. Include admin-group GREEN, use the TE metric and hop-limit 3. What routers will be included in the LSP path?
- A. R1, R3, R5, R6
- B. R1, R2, R4, R6
- C. R1, R5, R6
- D. R1, R6
Answer: A
NEW QUESTION # 33
Which of the following statements about segment routing fast re-route is FALSE?
- A. Fast re-route is a temporary fix that becomes active for a short period of time after a local network failure.
- B. On a Nokia 7750 SR, R-LFA and TI-LFA can be enabled independently of each other.
- C. Fast re-route typically protects the active segment of a tunnel, but under certain conditions it can protect an end-to-end multi-segment tunnel instead.
- D. The parameter "max-sr-frr-labels" limits the number of labels that R-LFA can add to the data packet encapsulation.
Answer: B
Explanation:
On a Nokia 7750 SR, R-LFA and TI-LFA cannot be enabled independently; they must be enabled together. The parameter "max-sr-frr-labels" limits the number of labels that R-LFA can add to the data packet encapsulation.
NEW QUESTION # 34
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