Quick Answer
The correct answer is that the server associates using a temporary WWPN from the conflict-free range. This happens because Cisco UCS, upon detecting WWPN pool exhaustion, automatically pulls a temporary WWPN from the reserved conflict-free range (00:00:00:00:00:00 to 00:00:00:00:00:FF) to allow the server to boot from SAN immediately, rather than failing the association. This temporary WWPN is used only until a permanent WWPN becomes available from the pool, ensuring uninterrupted storage access during the interim. On the Cisco DCCOR 350-601 exam, this scenario tests your understanding of UCS identity management and pool behavior under stress. A common trap is assuming the server fails to associate or uses a random WWPN from another pool—neither is correct. Memory tip: think “Conflict-Free = Temporary Lifeline” — when the pool runs dry, UCS grabs a short-term WWPN from the tiny conflict-free range to keep the server online.
This 350-601 practice question tests your understanding of compute. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 has configured a service profile with a WWPN pool that has exhausted its assigned range. The server boots from SAN. What happens when the server is associated?
The server associates but fails to boot because no WWPN is assigned.
Why wrong: A WWPN is assigned temporarily.
The administrator is prompted to manually enter a WWPN.
Why wrong: No manual prompt.
The association fails until new WWPNs are added to the pool.
Why wrong: UCS Manager allows association with a temporary WWPN.
The server associates with a temporary WWPN from the conflict-free range.
Correct behavior.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The server associates with a temporary WWPN from the conflict-free range.
When a WWPN pool is exhausted, Cisco UCS automatically assigns a temporary WWPN from the conflict-free range (00:00:00:00:00:00 to 00:00:00:00:00:FF) to allow the server to associate and boot from SAN. This temporary WWPN is used only until a permanent WWPN becomes available from the pool, ensuring the server can still access storage during the interim period.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
The server associates but fails to boot because no WWPN is assigned.
Why it's wrong here
A WWPN is assigned temporarily.
The administrator is prompted to manually enter a WWPN.
Why it's wrong here
No manual prompt.
The association fails until new WWPNs are added to the pool.
Why it's wrong here
UCS Manager allows association with a temporary WWPN.
The server associates with a temporary WWPN from the conflict-free range.
Why this is correct
Correct behavior.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Cisco often tests the misconception that pool exhaustion causes association failure, but the correct behavior is that UCS uses a temporary WWPN from the conflict-free range to maintain boot-from-SAN functionality.
Detailed technical explanation
The conflict-free range is a reserved set of WWPNs (00:00:00:00:00:00 to 00:00:00:00:00:FF) that are never assigned by any pool, ensuring no duplicate WWPNs on the SAN fabric. This mechanism relies on the UCS Manager's dynamic WWPN allocation logic, which prioritizes pool exhaustion handling over association failure, and the temporary WWPN is replaced once the pool is replenished or the server is disassociated and reassociated.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Compute — This question tests Compute — Read the scenario before looking for a memorised answer..
The correct answer is: The server associates with a temporary WWPN from the conflict-free range. — When a WWPN pool is exhausted, Cisco UCS automatically assigns a temporary WWPN from the conflict-free range (00:00:00:00:00:00 to 00:00:00:00:00:FF) to allow the server to associate and boot from SAN. This temporary WWPN is used only until a permanent WWPN becomes available from the pool, ensuring the server can still access storage during the interim period.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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