Nokia Certified Network Associate – SR OS Network Administration — Question 12

What is the MTU impact on the SDP path-mtu if fast reroute facilities-mode is implemented on the LSP?

Answer options

• A. There will be no impact on the path-mtu.
• B. The path-mtu will decrease by4 bytes.
• C. The path-mtu will increase by 4 bytes.
• D. The path-mtu will decrease by 8 bytes.
• E. The path-mtu will increase by 8 bytes.

Correct answer: B

Explanation

When fast reroute facilities-mode is implemented, it introduces additional headers that decrease the effective path-mtu by 4 bytes. Options A, C, D, and E are incorrect because they either suggest no change or an incorrect amount of change to the path-mtu.