300-435 Question #37: Real Exam Question with Answer & Explanation

The correct answer is A: grouping. The YANG grouping statement allows developers to define a reusable block of data model definitions that can be easily referenced and instantiated in other parts of a data model, promoting modularity.

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Question

Which YANG statement defines a block of other statements that can be easily referenced in other areas of a data model?

Options

Agrouping
Bcontainer
Csubmodule
Dmodule

Explanation

The YANG grouping statement allows developers to define a reusable block of data model definitions that can be easily referenced and instantiated in other parts of a data model, promoting modularity.

Common mistakes.

B. A container in YANG is a non-leaf node used to organize data into a hierarchical structure, but it does not provide reusability for definitions in the same way a grouping does.
C. A submodule in YANG is used to break down a larger module into smaller, more manageable files, rather than defining a reusable block of statements within the data model itself.
D. A module is the top-level organizational unit in YANG, defining a complete data model, but it is not a statement for defining reusable blocks within the data model.

Concept tested. YANG data modeling grouping statement

Reference. https://www.rfc-editor.org/rfc/rfc7950#section-7.11

Topics

#YANG#Data Modeling#Grouping#Reusability

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