200-901 Infrastructure and Automation Practice Question
This 200-901 practice question tests your understanding of infrastructure and automation. 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.
Exhibit
Refer to the exhibit.
<rpc-reply message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0">
<data>
<interfaces xmlns="http://openconfig.net/yang/interfaces">
<interface>
<name>GigabitEthernet0/1</name>
<config>
<enabled>false</enabled>
</config>
</interface>
</interfaces>
</data>
</rpc-reply>
A NETCONF manager sends a get-config request to a Cisco device and receives the above reply. The automation script expected the interface to be enabled. Which of the following is the best course of action to remediate the issue?
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
✓
Send an edit-config request with <enabled>true</enabled> for the interface
Option C is correct because NETCONF uses the edit-config operation to modify device configuration programmatically. Since the automation script detected that the interface is disabled (enabled state is false), sending an edit-config request with <enabled>true</enabled> for that interface directly remediates the issue by setting the operational state to enabled, aligning with the expected state without manual intervention.
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.
✗
Send an rpc to reboot the device
Why it's wrong here
Rebooting does not change the configuration and is disruptive.
✗
Use CLI to enable the interface manually
Why it's wrong here
Manual intervention defeats the purpose of automation.
✓
Send an edit-config request with <enabled>true</enabled> for the interface
Why this is correct
This changes the configuration to enable the interface.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Send a get request again
Why it's wrong here
Repeating the get request will not change the configuration.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between read-only operations (get, get-config) and write operations (edit-config), and the trap here is that candidates may think re-querying the device (Option D) or using CLI (Option B) is acceptable, when the correct approach is to use the appropriate NETCONF operation to modify the configuration programmatically.
Detailed technical explanation
How to think about this question
NETCONF uses YANG data models to represent device configuration; the <enabled> leaf under an interface's YANG model (e.g., from RFC 7223 or Cisco-specific models) controls the administrative state. The edit-config operation with the :writable-running capability allows direct modification of the running configuration, and the <enabled>true</enabled> value sets the interface to an up state, which is equivalent to 'no shutdown' in CLI. In real-world automation, this avoids manual steps and ensures idempotent, repeatable configuration changes.
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 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
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.
Infrastructure and Automation — This question tests Infrastructure and Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Send an edit-config request with <enabled>true</enabled> for the interface — Option C is correct because NETCONF uses the edit-config operation to modify device configuration programmatically. Since the automation script detected that the interface is disabled (enabled state is false), sending an edit-config request with <enabled>true</enabled> for that interface directly remediates the issue by setting the operational state to enabled, aligning with the expected state without manual intervention.
What should I do if I get this 200-901 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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