- A
Priority Flow Control (PFC)
PFC provides per-priority pause to ensure lossless delivery for FCoE traffic.
- B
Data Center Bridging Exchange (DCBX)
Why wrong: DCBX is a discovery and capability exchange protocol, not a flow control mechanism.
- C
Enhanced Transmission Selection (ETS)
Why wrong: ETS manages bandwidth allocation among traffic classes but does not prevent frame loss.
- D
Jumbo frames
Why wrong: Jumbo frames increase MTU but do not provide lossless behavior.
350-601 Practice Question: In a Fibre Channel over Ethernet (FCoE)…
This 350-601 practice question tests your understanding of in a fibre channel over ethernet (fcoe)…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
In a Fibre Channel over Ethernet (FCoE) deployment, which Data Center Bridging (DCB) feature is responsible for preventing frame loss due to congestion and ensuring the lossless behavior required for FCoE 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
Priority Flow Control (PFC)
Priority Flow Control (PFC) is a per-priority pause mechanism that creates lossless links for specific traffic classes such as FCoE.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Priority Flow Control (PFC)
Why this is correct
PFC provides per-priority pause to ensure lossless delivery for FCoE traffic.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Data Center Bridging Exchange (DCBX)
Why it's wrong here
DCBX is a discovery and capability exchange protocol, not a flow control mechanism.
- ✗
Enhanced Transmission Selection (ETS)
Why it's wrong here
ETS manages bandwidth allocation among traffic classes but does not prevent frame loss.
- ✗
Jumbo frames
Why it's wrong here
Jumbo frames increase MTU but do not provide lossless behavior.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 350-601 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which 350-601 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Questions learners often ask
What does this 350-601 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Priority Flow Control (PFC) — Priority Flow Control (PFC) is a per-priority pause mechanism that creates lossless links for specific traffic classes such as FCoE.
What should I do if I get this 350-601 question wrong?
Identify which 350-601 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
This 350-601 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 350-601 exam.
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