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200-901 · Question #137

What operation is performed with YANG model-driven programmability in NX-OS?

The correct answer is A. configure a device with native and OpenConfig-based models. The correct answer is A. YANG (Yet Another Next Generation) is a data modeling language used with NETCONF and RESTCONF protocols for network device configuration and management. In NX-OS, YANG model-driven programmability supports both Cisco native YANG models (vendor-specific)…

Infrastructure and Automation

Question

What operation is performed with YANG model-driven programmability in NX-OS?

Options

  • Aconfigure a device with native and OpenConfig-based models
  • Bsend CLI commands to a device and retrieve output in JSON format
  • Crun Linux commands natively on the device
  • Dbootstrap a device that has a factory-default configuration

How the community answered

(43 responses)
  • A
    95% (41)
  • C
    2% (1)
  • D
    2% (1)

Explanation

The correct answer is A. YANG (Yet Another Next Generation) is a data modeling language used with NETCONF and RESTCONF protocols for network device configuration and management. In NX-OS, YANG model-driven programmability supports both Cisco native YANG models (vendor-specific) and OpenConfig models (vendor-neutral, industry-standard). This allows programmatic, structured configuration of network devices. Answer B describes NX-OS's NX-API CLI feature, which sends CLI commands and returns JSON/XML output-not YANG. Answer C describes the NX-OS Linux bash shell access feature. Answer D describes Zero Touch Provisioning (ZTP) or PnP, not YANG.

Topics

#YANG#Model-driven programmability#Network configuration#OpenConfig

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