This 200-901 practice question tests your understanding of cisco platforms and development. 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.
A developer needs to retrieve interface configuration from a Cisco IOS XE device using NETCONF. Which operation should be used?
<get> with filter
Why wrong: Retrieves state data, not configuration.
<delete-config>
Why wrong: Deletes configuration.
<edit-config>
Why wrong: Used for editing, not retrieval.
<get-config> with filter
Correct operation for configuration retrieval.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
<get-config> with filter
To retrieve interface configuration from a Cisco IOS XE device using NETCONF, the <get-config> operation with a filter is the correct choice. <get-config> retrieves the running configuration datastore, and the filter (typically an XML subtree filter) narrows the response to only the interface subtree, avoiding unnecessary data. This is the standard NETCONF operation for reading configuration data, as defined in RFC 6241.
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.
<get> with filter
Why it's wrong here
Retrieves state data, not configuration.
<delete-config>
Why it's wrong here
Deletes configuration.
<edit-config>
Why it's wrong here
Used for editing, not retrieval.
<get-config> with filter
Why this is correct
Correct operation for configuration retrieval.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Cisco often tests the distinction between <get> and <get-config>, where candidates mistakenly choose <get> because it sounds like 'get configuration,' but <get> returns both config and state data, which is not the correct operation for retrieving only configuration.
Detailed technical explanation
Under the hood, NETCONF uses XML-encoded Remote Procedure Calls (RPCs) over SSH (RFC 6242). The <get-config> operation targets a specific datastore (e.g., running, startup, candidate) and supports subtree filtering or XPath expressions to limit the response. In a real-world scenario, a developer might use a filter like <filter><native><interface xmlns="http://cisco.com/ns/yang/Cisco-IOS-XE-native"></interface></native></filter> to retrieve only interface configuration from the running datastore, avoiding the overhead of parsing the entire configuration.
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: <get-config> with filter — To retrieve interface configuration from a Cisco IOS XE device using NETCONF, the <get-config> operation with a filter is the correct choice. <get-config> retrieves the running configuration datastore, and the filter (typically an XML subtree filter) narrows the response to only the interface subtree, avoiding unnecessary data. This is the standard NETCONF operation for reading configuration data, as defined in RFC 6241.
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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