Huawei Certified Network Associate – Routing and Switching (HCNA-RS, legacy) — Question 113

MPLS dual-label stacking packets are _____ bytes longer than original IP packets.

Answer options

• A. 4
• B. 8
• C. 16
• D. 32

Correct answer: B

Explanation

MPLS dual-label stacking adds two MPLS labels to the original IP packet, each label typically being 4 bytes, resulting in a total of 8 bytes added. The other options are incorrect as they do not accurately represent the total additional bytes introduced by the dual-labeling process.