200-901 Infrastructure and Automation Practice Question
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?
⚠ Common exam trap
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.
Answer choices
Why each option matters
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
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.
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.
- ✗
Send a get request again
Why it's wrong here
Repeating the get request will not change the configuration.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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