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200-901 Practice Question: Which TWO are benefits of using model-driven…
Which TWO are benefits of using model-driven programmability (e.g., NETCONF/RESTCONF) over traditional CLI scripting for network automation?
⚠ Common exam trap
Cisco often tests the misconception that model-driven programmability is just a 'new way to type CLI commands,' but the key benefit is the use of structured, machine-readable data (XML/JSON) and protocol-level operations that decouple automation from device-specific CLI syntax.
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
✓
Data is structured and machine-readable (e.g., XML/JSON).
Model-driven programmability with NETCONF/RESTCONF uses structured data formats like XML or JSON, which are machine-readable. This eliminates the need for screen-scraping or parsing CLI output, making automation scripts more reliable and easier to maintain. Structured data also enables consistent validation and integration with other systems.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Reduces network latency because it uses a lighter protocol.
Why it's wrong here
Model-driven protocols may add overhead.
- ✗
Requires no additional learning beyond CLI commands.
Why it's wrong here
Model-driven approaches require understanding of YANG models.
- ✗
Easier to debug because it uses the same syntax as CLI.
Why it's wrong here
Different syntax, not easier.
- ✓
Data is structured and machine-readable (e.g., XML/JSON).
Why this is correct
Model-driven APIs return structured data.
- ✓
Allows network devices to be managed using any programming language with HTTP libraries.
Why this is correct
RESTCONF uses HTTP, so any language can interact.
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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.