Question 1

Why is it advisable to include environment-specific Hiera hierarchies for large-scale code usage across dev, test, and prod?

Options :

A : So that all environment data merges into a single universal set of configuration values

B : It merges everything at top scope, ignoring local environment differences

C : It allows each environment to override or provide unique data (credentials, settings) without affecting other environments

D : It prevents environment merges from referencing production code

Answer: C

Question 2

A large manifest uses complex conditionals to manage different node types. After a recent change, all node types start receiving the same resource configuration despite seemingly correct conditions. Which initial diagnostic step helps confirm if the conditional expressions are being evaluated as intended?

Options :

A : Run puppet parser validate and assume no runtime issues will occur

B : Reduce all conditionals to a single if-else statement for easier debugging

C : Disable half the conditionals to isolate which block is interfering with other node types

D : Check debug logs or insert notice() statements to confirm actual variable values and branches

Answer: D

Question 3

Several masters share a single PuppetDB instance. A spike in fact storage causes massive load on the DB, slowing down all catalog compiles. Investigations show a node group producing exceptionally large fact sets. Which advanced approach curbs DB load without losing crucial data for the rest of the infrastructure?

Options :

A : Configure a fact blacklist or truncation for particularly large facts from those nodes, or use a specialized approach that reduces certain fact payload sizes before storing in PuppetDB

B : Merge environment data so fewer nodes produce facts daily

C : Lower concurrency globally to slow all agents so the DB can handle large facts

D : Convert all large facts to ephemeral environment merges ignoring the DB

Answer: A

Question 4

You have multiple roles referencing the same set of profiles. How does this approach impact code duplication and environment complexity?

Options :

A : The approach forces merging node definitions at the site manifest level only

B : Each role must redefine the same classes and resources, increasing duplication

C : All profiles must be fully rewritten for each role, leading to more complex environment merges

D : Roles can be extremely lightweight, mainly calling profiles, reducing duplication while allowing variety in node definitions

Answer: D

Question 5

You use puppet apply --noop to preview changes, but it fails with an undefined variable error for a parameter that you know is set in production. Which factor might explain why the variable is missing in a no-op test environment?

Options :

A : The production environment data from Hiera or node classification may not be loaded in a local apply

B : puppet parser validate must be used to load environment variables automatically

C : The variable references a built-in function that’s disabled in no-op mode

D : Variables are only valid if you run in a fully enforced mode

Answer: A

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