200-901 Network Fundamentals Practice Question
Which TWO of the following are southbound protocols in SDN?
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
✓
NETCONF
OpenFlow and NETCONF are southbound protocols used between controller and network devices.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
OSPF
Why it's wrong here
OSPF is a routing protocol, not SDN southbound.
- ✓
NETCONF
Why this is correct
NETCONF is a southbound configuration protocol.
- ✗
SNMP
Why it's wrong here
SNMP is for network management, not SDN control.
- ✓
OpenFlow
Why this is correct
OpenFlow is a standard southbound protocol.
- ✗
REST
Why it's wrong here
REST is typically used for northbound APIs.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 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 200-901 exam.