200-901 Network Fundamentals Practice Question
A DevOps engineer is automating network configuration using REST APIs. The engineer needs to choose between NETCONF and OpenFlow as southbound protocols. Which TWO statements are correct?
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
✓
OpenFlow allows the controller to install flow entries in switches
NETCONF uses XML and is used for configuration management, while OpenFlow pushes flow entries to switches.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
OpenFlow allows the controller to install flow entries in switches
Why this is correct
OpenFlow enables dynamic flow table modification.
- ✗
NETCONF provides real-time packet forwarding control
Why it's wrong here
NETCONF is for configuration, not forwarding control.
- ✗
Both protocols are used exclusively for northbound APIs
Why it's wrong here
Both are southbound protocols.
- ✗
OpenFlow is primarily used for configuration management
Why it's wrong here
OpenFlow is for forwarding plane control, not configuration.
- ✓
NETCONF uses YANG data models and XML encoding
Why this is correct
NETCONF relies on YANG models and XML for configuration.
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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.