mediumMultiple ChoiceObjective-mapped
CCNP Practice Question: An engineer is using the Cisco IOS-XE RESTCONF…
An engineer is using the Cisco IOS-XE RESTCONF API to create a new loopback interface. The following JSON payload is sent in a POST request to '/restconf/data/ietf-interfaces:interfaces':
```json
{"ietf-interfaces:interface": [
{
"name": "Loopback100",
"description": "Management Loopback",
"type": "iana-if-type:softwareLoopback",
"enabled": true,"ietf-ip:ipv4": {
"address": [
{
"ip": "192.168.1.1",
"netmask": "255.255.255.0"
}
]
}
}
]
}```
What is the correct HTTP method and URL for this operation?
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
✓
POST /restconf/data/ietf-interfaces:interfaces
To create a new resource, the POST method is used. The URL should point to the collection of interfaces. The payload includes the 'ietf-interfaces:interface' list. The correct URL is '/restconf/data/ietf-interfaces:interfaces'.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
POST /restconf/data/ietf-interfaces:interfaces
Why this is correct
POST is used to create a new resource under the interfaces collection.
- ✗
PUT /restconf/data/ietf-interfaces:interfaces
Why it's wrong here
PUT is used to replace or create a specific resource, not a collection.
- ✗
PATCH /restconf/data/ietf-interfaces:interfaces
Why it's wrong here
PATCH is used for partial updates.
- ✗
POST /restconf/data/ietf-interfaces:interfaces/interface=Loopback100
Why it's wrong here
That URL would be for a specific interface, but the payload contains the interface list.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-401 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-401 exam.