8. Apply Concepts of Model Driven Programmability (YANG, RESTCONF, and NETCONF) in a Cisco Environment 200-901 Practice Questions (Page 3)

Questions 11–15

1. 11expert · hard

   A developer is using RESTCONF to manage a Cisco device and needs to create a new user account. The developer sends a POST request to /restconf/data/Cisco-IOS-XE-native:native/username with a JSON payload. The request returns a 201 Created response. What should the developer do next to verify that the user was created correctly?

   • ASend another POST request with the same payload to confirm idempotency.
   • BSend a GET request to the same URI to retrieve the user's details.
   • CSend a PATCH request with a different username to see if it updates.
   • DSend a DELETE request to the same URI to test if the user can be removed.
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2. 12foundation · easy

   Which RESTCONF HTTP method would you use to create a new loopback interface on a Cisco device?

   • APOST
   • BGET
   • CDELETE
   • DPUT
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4. 13application · medium

   A network developer is writing a script to automate the configuration of a Cisco IOS XE device using RESTCONF. The developer needs to understand the structure of the YANG model for the interface configuration to build the correct JSON payload. Which resource should the developer consult?

   • AThe YANG module's schema, which can be retrieved from the device or from the vendor's documentation.
   • BThe NETCONF capabilities list.
   • CThe device's routing table.
   • DThe device's CLI configuration guide.
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5. 14application · medium

   A network administrator is using NETCONF to automate the configuration of a Cisco IOS XE device. The administrator wants to ensure that no other NETCONF sessions can modify the configuration while the script is making changes. Which NETCONF operation should the script use?

   • Alock
   • Bclose-session
   • Cedit-config
   • Dget-config
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6. 15application · medium

   A developer is writing a script to configure a Cisco device using RESTCONF and needs to know the exact structure of the YANG data for interface configuration. The developer wants to retrieve the YANG module's schema to understand the available leafs and containers. Which RESTCONF operation should the developer use?

   • AGET to /restconf/operations/ietf-interfaces
   • BGET to /restconf/data/ietf-interfaces:interfaces/interface
   • CGET to /restconf/schema/ietf-interfaces
   • DPOST to /restconf/data/ietf-interfaces:interfaces/interface with a sample payload
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