350-501 Automation and Quality of Services Practice Question
Which DSCP value is recommended for Expedited Forwarding (EF) per-hop behavior, commonly used for voice traffic?
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
✓
DSCP 46
EF is defined as DSCP 46 (binary 101110) for low-loss, low-latency traffic like voice.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DSCP 48
Why it's wrong here
48 is CS6 (network control).
- ✓
DSCP 46
Why this is correct
46 is the standard DSCP for EF.
- ✗
DSCP 34
Why it's wrong here
34 is AF41 (Assured Forwarding class 4, low drop).
- ✗
DSCP 0
Why it's wrong here
0 is Best Effort (DF).
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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