The answer is zoning, as it is the Fibre Channel mechanism that enforces access control by restricting initiator-target communication to only those devices sharing a common zone. Zoning works at the fabric level by using World Wide Port Names (WWPNs) to define a logical boundary; any initiator or target not explicitly included in the same zone is blocked from discovering or exchanging data with the designated target. On the Cisco DCCOR 350-601 exam, this concept tests your understanding of SAN security fundamentals, often appearing in scenario-based questions where you must differentiate zoning from LUN masking or VSANs—a common trap is confusing zoning (fabric-level isolation) with LUN masking (storage-level access). Remember the memory tip: “Zone the fabric, mask the array” to keep the layers straight.
350-601 Storage Network Practice Question
This 350-601 practice question tests your understanding of storage network. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A storage administrator wants to ensure that only designated initiators can access a specific target in a Fibre Channel SAN. Which mechanism enforces this policy?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Zoning
Zoning is the correct mechanism because it restricts Fibre Channel (FC) communication to only those initiators and targets that are members of the same zone. By defining a zone that includes only the designated initiator WWPNs and the target WWPN, the switch enforces access control at the fabric level, preventing any unauthorized device from discovering or communicating with the target.
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.
✗
IVR
Why it's wrong here
IVR is for routing between VSANs, not enforcing access within a VSAN.
✗
Port channel
Why it's wrong here
Port channels increase bandwidth and redundancy, not access control.
✓
Zoning
Why this is correct
Zoning defines which initiators can talk to which targets.
Related concept
Read the scenario before looking for a memorised answer.
✗
VSAN
Why it's wrong here
VSANs isolate traffic at the fabric level, but within a VSAN, any device can communicate unless zoned.
✗
Credit recovery
Why it's wrong here
Credit recovery manages buffer credits, not access control.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between VSAN (which isolates traffic at the fabric level) and zoning (which controls device-level access within a VSAN), leading candidates to incorrectly select VSAN when the question specifically asks about restricting access to a target.
Detailed technical explanation
How to think about this question
Under the hood, FC zoning is enforced by the fabric switch using either soft zoning (based on name server queries) or hard zoning (frame-level filtering via ACLs). Hard zoning is more secure because the switch drops any frame whose source and destination WWPNs are not in the same active zone set, even if the initiator attempts to spoof its WWPN. In a real-world scenario, a misconfigured soft zone could allow a rogue initiator to discover the target via the name server, whereas hard zoning would still block the actual data frames.
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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
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: Zoning — Zoning is the correct mechanism because it restricts Fibre Channel (FC) communication to only those initiators and targets that are members of the same zone. By defining a zone that includes only the designated initiator WWPNs and the target WWPN, the switch enforces access control at the fabric level, preventing any unauthorized device from discovering or communicating with the target.
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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