350-501 Automation and Quality of Services Practice Question
An SP network uses NSO for service orchestration. Which component in NSO provides the abstraction layer to communicate with different device types using protocols like NETCONF or CLI?
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
✓
NED
NEDs (Network Element Drivers) are plugins that translate NSO's service models to device-specific configurations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
YANG
Why it's wrong here
YANG is a data modeling language, not a driver.
- ✓
NED
Why this is correct
NED abstracts device specifics.
- ✗
RESTCONF
Why it's wrong here
RESTCONF is a protocol, not a device abstraction layer.
- ✗
CDB
Why it's wrong here
CDB is the configuration database, not the device driver.
Go deeper
Related to this question
About these practice questions
One of 971 original 350-501 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.