Quick Answer
The answer is the POST /api/v1/compute/Physical endpoint. This is correct because Cisco Intersight’s RESTful API uses this endpoint to manage physical compute resources, and triggering a firmware upgrade requires sending a POST request with an action payload such as "Action": "UpgradeFirmware" to the specific server’s resource URI. On the Cisco DevNet Associate 200-901 exam, this tests your understanding of how Intersight’s API maps lifecycle management tasks to HTTP verbs and resource endpoints; a common trap is confusing this with the /api/v1/firmware endpoint, which handles upgrade policies rather than direct server actions. To remember, think of the physical server as the target object—you POST an action to the compute resource, not to a separate firmware service. A useful mnemonic: “POST to Physical to patch the firmware.”
This 200-901 practice question tests your understanding of cisco platforms and development. 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 organization uses Cisco Intersight to manage UCS servers. They want to automate the firmware upgrade process. Which Intersight API should be used to trigger a firmware upgrade on a server?
POST /api/v1/ntp/Policies
Why wrong: NTP policy is not for firmware.
POST /api/v1/equipment/Fex
Why wrong: Fex resource is for fabric extenders.
POST /api/v1/fabric/EthNetworkPolicies
Why wrong: Ethernet network policy is for fabric.
POST /api/v1/compute/Physical
Physical server resource supports firmware actions.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
POST /api/v1/compute/Physical
Option D is correct because the `/api/v1/compute/Physical` endpoint in Cisco Intersight is used to manage physical compute resources, including triggering firmware upgrades on UCS servers. By sending a POST request to this endpoint with the appropriate action payload (e.g., `"Action": "UpgradeFirmware"`), you can initiate a firmware upgrade on a specific server. This aligns with Intersight's RESTful API design for lifecycle management of UCS infrastructure.
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.
POST /api/v1/ntp/Policies
Why it's wrong here
NTP policy is not for firmware.
POST /api/v1/equipment/Fex
Why it's wrong here
Fex resource is for fabric extenders.
POST /api/v1/fabric/EthNetworkPolicies
Why it's wrong here
Ethernet network policy is for fabric.
POST /api/v1/compute/Physical
Why this is correct
Physical server resource supports firmware actions.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates may confuse general management endpoints (like NTP policies or network policies) with the specific compute resource endpoint, assuming any POST to a policy-related API can trigger an action, when in fact only the compute resource endpoint supports firmware upgrade actions.
Detailed technical explanation
Under the hood, Intersight uses a model-driven API where each resource (like a physical server) has a set of actions defined in its schema. For firmware upgrades, the `compute/Physical` endpoint accepts a POST with a payload containing the `Action` field set to `UpgradeFirmware` and optionally a `FirmwareVersion` or `ServerProfile` reference. In real-world scenarios, this API is often called in conjunction with Intersight's firmware compliance policies to ensure servers are upgraded to a specific baseline version, and the operation is asynchronous, returning a task ID for monitoring progress.
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 200-901 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
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FAQ
Cisco Platforms and Development — This question tests Cisco Platforms and Development — Read the scenario before looking for a memorised answer..
The correct answer is: POST /api/v1/compute/Physical — Option D is correct because the `/api/v1/compute/Physical` endpoint in Cisco Intersight is used to manage physical compute resources, including triggering firmware upgrades on UCS servers. By sending a POST request to this endpoint with the appropriate action payload (e.g., `"Action": "UpgradeFirmware"`), you can initiate a firmware upgrade on a specific server. This aligns with Intersight's RESTful API design for lifecycle management of UCS infrastructure.
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 11, 2026
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