Nokia Certified Network Associate – Data Center — Question 22

Which of the following statements about segment routing fast re-route is FALSE?

Answer options

• A. Fast re-route is a temporary fix that becomes active for a short period of time after a local network failure.
• B. 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.
• C. On a Nokia 7750 SR, R-LFA and TI-LFA can be enabled independently of each other.
• D. The parameter “max-sr-frr-labels” limits the number of labels that R-LFA can add to the data packet encapsulation.

Correct answer: C

Explanation

Option C is correct because R-LFA and TI-LFA cannot be enabled independently on a Nokia 7750 SR; they are interdependent. The other statements are true, as fast re-route does act as a temporary measure during failures, typically protects segments, and the 'max-sr-frr-labels' parameter does limit label addition.