11. Interpret Basic YANG Models 200-901 Practice Questions (Page 8)

Questions 36–38

1. 36foundation · easy

   In a YANG tree structure, what is the purpose of a 'list' node?

   • ATo define a collection of similar entries, each identified by a key
   • BTo store a single value of a specific data type
   • CTo define a choice between multiple alternative data nodes
   • DTo group unrelated configuration parameters under a single name
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2. 37application · medium

   A network automation team is integrating a new vendor's device into their existing management system. The device supports YANG, and the team receives a YANG module with the header: module example-interface { namespace "urn:example:interface"; prefix if; }. The team's existing automation scripts reference data nodes using the prefix 'if'. What does the prefix 'if' represent in this context?

   • AA short alias for the module's namespace, used in XML/JSON encoding to qualify data nodes.
   • BThe root container name of the YANG data tree.
   • CThe name of the Python library used to parse the YANG module.
   • DThe module's revision date, used to identify the version of the YANG model.
   Reveal Solution Discussion Select an answer first
3. 38application · medium

   A network engineer is writing a YANG module for a new device feature. The feature has a setting that can be one of three modes: 'off', 'on', or 'auto'. The engineer wants to define a leaf that can only accept these three values. Which YANG type should be used?

   • Atype string
   • Btype boolean
   • Ctype enumeration { enum off; enum on; enum auto; }
   • Dtype uint8
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