Templates (Jinja2) JN0-423 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which Jinja2 test would you use to check if a variable is a string?

   • Ais defined
   • Bis string
   • Cis text
   • Dis iterable
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2. 7application · medium

   You are rendering a firewall filter configuration. The variable `interfaces` is a list of interface names. You need to output an `apply-groups` statement only when the list is not empty. Which Jinja2 snippet correctly implements this conditional?

   • A{% if interfaces %} apply-groups filter-group; {% endif %}
   • B{% if interfaces is defined %} apply-groups filter-group; {% endif %}
   • C{% if interfaces | length > 0 %} apply-groups filter-group; {% endif %}
   • D{% for iface in interfaces %} apply-groups filter-group; {% endfor %}
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4. 8foundation · easy

   In Jinja2 template inheritance, which tag is used in a child template to define a block that overrides a block in the parent template?

   • A{% extends 'base.j2' %}
   • B{% override block_name %}
   • C{% block block_name %}
   • D{% include 'file.j2' %}
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5. 9foundation · easy

   Which Jinja2 statement is used to iterate over a list in a template?

   • A{% while condition %}
   • B{% each item in list %}
   • C{% loop item in list %}
   • D{% for item in list %}
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6. 10foundation · easy

   In a Jinja2 template, what happens by default when you reference an undefined variable?

   • AThe variable name is rendered as-is.
   • BAn empty string is rendered.
   • CAn error is raised, causing the template rendering to fail.
   • DThe template renders the text 'undefined'.
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