The correct answer is to upgrade to an intermediate release that is recommended for the upgrade path. This is required because Cisco UCS firmware upgrades must follow a supported sequential path to avoid incompatibilities and known issues, such as the NVRAM backup problem present in release 3.1(1). Skipping directly to 4.0(4) is unsupported and risks service disruption, so an intermediate release like 3.2(x) or 4.0(1) resolves the bug and ensures a seamless transition. On the Cisco DCCOR 350-601 exam, this tests your understanding of UCS firmware lifecycle management and the importance of staged upgrades to maintain high availability. A common trap is assuming any jump is safe if the target is newer, but Cisco’s release notes explicitly list supported paths. Memory tip: “One step at a time—never skip the middle rung on the UCS ladder.”
350-601 Compute Practice Question
This 350-601 practice question tests your understanding of compute. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 Cisco UCS upgrade from release 3.1(1) to 4.0(4) is planned. The current release has a known issue that affects NVRAM backup. What is the best practice to avoid an outage during this upgrade?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Upgrade to an intermediate release that is recommended for the upgrade path.
Option D is correct because Cisco UCS firmware upgrades must follow a supported upgrade path to avoid incompatibilities and known issues. Skipping directly from 3.1(1) to 4.0(4) is not supported; an intermediate release (e.g., 3.2(x) or 4.0(1)) is required to resolve the NVRAM backup issue and ensure a seamless upgrade without service disruption.
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.
✗
Perform a cold reboot of all Fabric Interconnects before starting.
Why it's wrong here
Cold reboot may cause extra downtime and is not required.
✗
Upgrade all components simultaneously to reduce transition time.
Why it's wrong here
Simultaneous upgrade increases risk and may not be supported.
✗
Upgrade the firmware on the chassis first, then the Fabric Interconnects.
Why it's wrong here
The typical order is FI first, then chassis, but still needs intermediate version.
✓
Upgrade to an intermediate release that is recommended for the upgrade path.
Why this is correct
Most major upgrades require stepping through an intermediate release.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the concept of supported upgrade paths and intermediate releases, trapping candidates who assume direct upgrades are always possible or that component order can be rearranged arbitrarily.
Detailed technical explanation
How to think about this question
Cisco UCS firmware upgrades rely on a hierarchical compatibility matrix; the Fabric Interconnect runs the system software that manages the chassis and servers, so it must be upgraded first to maintain management connectivity. The NVRAM backup issue in 3.1(1) can cause configuration loss during upgrade if not addressed by an intermediate release that patches the bug. In real-world scenarios, ignoring the upgrade path can lead to a failed upgrade state requiring TAC intervention and full recovery.
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.
Compute — This question tests Compute — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Upgrade to an intermediate release that is recommended for the upgrade path. — Option D is correct because Cisco UCS firmware upgrades must follow a supported upgrade path to avoid incompatibilities and known issues. Skipping directly from 3.1(1) to 4.0(4) is not supported; an intermediate release (e.g., 3.2(x) or 4.0(1)) is required to resolve the NVRAM backup issue and ensure a seamless upgrade without service disruption.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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