200-901 Cisco Platforms and Development Practice Question
In Cisco IOS XE, a network engineer wants to retrieve the hostname of a device using RESTCONF. Which URI and method should be used? Assume RESTCONF is enabled and the base URL is https://device/restconf.
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
✓
GET /restconf/data/Cisco-IOS-XE-native:native/hostname
The hostname is part of the native YANG model. The correct path is /restconf/data/Cisco-IOS-XE-native:native/hostname with GET.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
GET /restconf/data/hostname
Why it's wrong here
The correct path requires the model namespace prefix.
- ✓
GET /restconf/data/Cisco-IOS-XE-native:native/hostname
Why this is correct
The RESTCONF protocol maps directly to NETCONF YANG data models via HTTP methods; here, GET retrieves the native hostname leaf under the Cisco-IOS-XE-native YANG module. This satisfies the stem’s requirement to retrieve the device hostname using RESTCONF, as the URI targets the exact data node in the running configuration datastore.
- ✗
GET /restconf/data/Cisco-IOS-XE-interfaces:interfaces
Why it's wrong here
This path retrieves interfaces, not hostname.
- ✗
POST /restconf/data/Cisco-IOS-XE-native:native/hostname
Why it's wrong here
POST would attempt to create a new hostname, not retrieve it.
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