350-501 Automation and Quality of Services Practice Question
An SP is deploying a Network Services Orchestrator (NSO) for service automation. Which THREE components are integral to NSO architecture? (Select three.)
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
✓
Configuration Database (CDB) for storing state
NSO uses a Configuration Database (CDB) for storing device configurations, YANG models for service definitions, and NEDs (Network Element Drivers) for device abstraction.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SNMP trap receiver for event monitoring
Why it's wrong here
SNMP is not a core component of NSO.
- ✓
Configuration Database (CDB) for storing state
Why this is correct
CDB holds the intended and actual device configurations.
- ✓
Network Element Driver (NED) for device abstraction
Why this is correct
NEDs translate NSO into device-specific CLI/API.
- ✗
Path Computation Element (PCE) for TE
Why it's wrong here
PCE is separate from NSO.
- ✓
YANG models for service and device data
Why this is correct
YANG is used to model services and device configurations.
Go deeper
Related to this question
About these practice questions
Courseiva writes every 350-501 question from scratch — 971 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. 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.