350-501 Automation and Quality of Services Practice Question
An SP engineer is implementing DSCP classification at the edge. Which two AF classes are typically used for mission-critical data? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AF41
AF4x (e.g., AF41/AF42/AF43) and AF3x (e.g., AF31/AF32/AF33) are used for high-priority data. AF1x is low-priority.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
CS0
Why it's wrong here
CS0 is best effort.
- ✗
AF11
Why it's wrong here
AF1 is low priority, typically scavenger.
- ✓
AF41
Why this is correct
AF4 class is high priority.
- ✗
AF22
Why it's wrong here
AF2 is medium priority, but typically not 'mission-critical'.
- ✓
AF31
Why this is correct
AF3 class is also high priority.
Go deeper
Related to this question
About these practice questions
One of 971 original 350-501 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.