Question 1

Which step helps confirm whether an undefined variable error is caused by Hiera’s data hierarchy?

Options :

A : Disable environment merges in Hiera so only the top-level data is used

B : Move the variable from Hiera into node classification statements

C : Manually override the variable in the class definition

D : Temporarily set a default value for the lookup() call and check logs

Answer: D

Question 2

Which approach ensures you can use Hiera data in a class but still allow overrides when calling that class?

Options :

A : Disallow parameter overrides entirely to maintain data purity

B : Mark class parameters with default lookup calls (e.g., lookup('some_key', ...)) but allow external overrides

C : Hardcode all parameters in the class so it’s not parameterized

D : Merge all data into node definitions ignoring the class parameters

Answer: B

Question 3

After an update, Puppet logs indicate “Evaluation Error: Unknown function.” Which root cause is likely?

Options :

A : The function call is valid, but puppet parser validate is misreading it

B : Environment locking prevents calling the function if the node classification changed

C : The built-in Puppet function was renamed in the latest version

D : A third-party module’s function was removed or not loaded in the current environment

Answer: D

Question 4

Which practice supports multi-environment data separation for node classification?

Options :

A : Disabling external classifiers in favor of a single site manifest

B : Using an environment that bypasses Hiera merges entirely

C : Maintaining environment-specific Hiera hierarchies that override defaults

D : Storing all environment data in a single top-level YAML file only

Answer: C

Question 5

You want each node to reference only one role, which then includes multiple profiles. How does this approach simplify node classification?

Options :

A : It requires each node to define multiple profiles explicitly, leading to greater node-level detail

B : It allows each node to bypass Hiera lookups for class parameters

C : It merges all environment data into the role class, preventing any layering from Hiera

D : It centralizes node-specific logic in a single role, reducing confusion and classification sprawl

Answer: D

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