This 350-601 practice question tests your understanding of storage network. 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.
An engineer is configuring FCoE on a Cisco Nexus 5000 switch. The switch connects to a Fibre Channel storage array. The FCoE Initialization Protocol (FIP) snooping must be enabled. What is the effect of enabling FIP snooping?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
It constructs a database of ENode MAC addresses and FC-MAPs.
FIP snooping on a Cisco Nexus 5000 switch constructs a database of ENode MAC addresses and FC-MAPs by inspecting FIP discovery, advertisement, and login frames. This database is used to enforce FCoE traffic only between authorized ENodes and FCFs, preventing rogue devices from injecting FCoE traffic. It does not terminate FCoE VLANs, act as an FCoE forwarder, or enforce zone-based policies directly.
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.
✗
It enables the switch to terminate FCoE VLANs.
Why it's wrong here
FIP snooping does not terminate VLANs.
✗
It provides FC-BB_6 compliant FCoE traffic forwarding.
Why it's wrong here
FC-BB_6 compliance is inherent, not granted by FIP snooping.
✗
It enables the switch to act as an FCoE forwarder.
Why it's wrong here
FIP snooping is used in NPV mode; an FCoE forwarder (FCF) requires different configuration.
✓
It constructs a database of ENode MAC addresses and FC-MAPs.
Why this is correct
FIP snooping monitors FIP frames to build a database of authorized devices.
Related concept
Read the scenario before looking for a memorised answer.
✗
It allows the switch to enforce zone-based policy for FCoE traffic.
Why it's wrong here
FIP snooping provides the database for zones, but does not enforce policies itself.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between FIP snooping (a security feature that builds a database of MAC-to-FC-MAP bindings) and FCoE forwarding (which requires an FCF), leading candidates to mistakenly think snooping enables forwarding or termination.
Detailed technical explanation
How to think about this question
FIP snooping operates by examining FIP frames (e.g., Discovery, FLOGI, FDISC) and populating a binding table that maps ENode MAC addresses to FC-MAPs and FCoE VLANs. This table is then used to dynamically create ACLs that permit only validated FCoE traffic, effectively preventing spoofing and man-in-the-middle attacks. In a real-world scenario, if FIP snooping is not enabled, any device on the same VLAN could send FCoE frames and potentially disrupt storage traffic.
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.
TExam Day Tips
→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 help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Storage Network — This question tests Storage Network — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: It constructs a database of ENode MAC addresses and FC-MAPs. — FIP snooping on a Cisco Nexus 5000 switch constructs a database of ENode MAC addresses and FC-MAPs by inspecting FIP discovery, advertisement, and login frames. This database is used to enforce FCoE traffic only between authorized ENodes and FCFs, preventing rogue devices from injecting FCoE traffic. It does not terminate FCoE VLANs, act as an FCoE forwarder, or enforce zone-based policies directly.
What should I do if I get this 350-601 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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