200-901 Question #503: Real Exam Question with Answer & Explanation

Question

What are two advantages of model-driven programmability as compared to traditional network management? (Choose two.)

Options

• Astandardized transport protocol
• Bbetter performance
• Cbetter visibility and control
• Ddevice abstraction
• Eaccess to more routing features

Explanation

{"question_number": 2, "question": "What are two advantages of model-driven programmability as compared to traditional network management? (Choose two.)", "correct_answer": "C. better visibility and control, D. device abstraction", "explanation": "Model-driven programmability (e.g., using YANG models with NETCONF or RESTCONF) offers two key advantages over traditional network management (like CLI or SNMP). First, 'better visibility and control' (C): YANG data models expose structured, machine-readable network state, enabling more granular monitoring and precise configuration compared to screen-scraping CLI output. Second, 'device abstraction' (D): YANG models define a vendor-neutral, abstract representation of device capabilities, allowing the same management code to work across different hardware vendors. Standardized transport (A) exists in both paradigms (SNMP also has standardized transport). Better performance (B) and access to more routing features (E) are not inherent advantages of model-driven programmability.", "generated_by": "claude-sonnet", "llm_judge_score": 4}

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