Drag a concept onto its matching description — or click a concept then click the description.
20 bits
3 bits
1 bit
8 bits
32 bits
Drag and drop each MPLS label field on the left to its matching bit size on the right.
Drag a concept onto its matching description — or click a concept then click the description.
20 bits
3 bits
1 bit
8 bits
32 bits
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Label: 20 bits
The MPLS label is 20 bits, Traffic Class (TC) is 3 bits, Bottom of Stack (S) is 1 bit, and TTL is 8 bits, totaling 32 bits per label entry.
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Variation 1. Drag and drop each MPLS label field on the left to its matching bit size on the right.
mediumWhy P1: The MPLS label has 4 fields: Label (20 bits), TC (3 bits), S (1 bit), and TTL (8 bits).
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.