4.13 Describe the Principles of Infrastructure as Code 350-201 Practice Questions (Page 5)

Questions 21–25

1. 21application · medium

   An engineer is writing IaC to provision a set of firewall rules. They need to ensure that the rules are applied in a specific order because some rules depend on others. Which approach is most appropriate?

   • AWrite a script that applies all rules simultaneously.
   • BUse a declarative IaC tool and rely on its dependency resolution.
   • CManually apply the rules and document the order.
   • DUse an imperative IaC tool that executes steps in the order they are written.
   Reveal Solution Discussion Select an answer first
2. 22application · medium

   An IaC tool is being used to manage network device configurations. The tool compares the current device state to the desired state and applies only the necessary changes. This behavior is best described as:

   • AConfiguration backup and restore.
   • BMutable infrastructure management.
   • CImperative scripting with sequential execution.
   • DDesired state management with idempotent application.
   Reveal Solution Discussion Select an answer first
4. 23application · medium

   A network team currently configures firewalls, switches, and load balancers through a CLI and a web portal. They want to adopt Infrastructure as Code to improve consistency and auditability. Which first step best aligns with the principles of IaC?

   • ADefine the desired network configuration in declarative files, store them in a version control system, and use an IaC tool to apply them.
   • BWrite a script that logs into each device and applies the same configuration commands every time a change is needed.
   • CPurchase a configuration management database (CMDB) and manually record all device configurations in it.
   • DUse a network monitoring tool to detect configuration changes and alert the team when they occur.
   Reveal Solution Discussion Select an answer first
5. 24expert · hard

   A network team is adopting IaC and wants to implement a Git branching strategy that supports parallel development and safe releases. They have a small team and want to minimize complexity. Which strategy is most appropriate?

   • AUse a separate branch for each environment and merge changes across branches.
   • BUse a central repository with no branching and coordinate changes via a shared calendar.
   • CUse a single main branch and require all changes to be committed directly.
   • DUse feature branches for each change and merge them into main via pull requests.
   Reveal Solution Discussion Select an answer first
6. 25foundation · easy

   What is a primary benefit of storing Infrastructure as Code in a version control system?

   • AIt automatically deploys changes to production without review
   • BIt encrypts the infrastructure code to protect it from unauthorized access
   • CIt eliminates the need for testing infrastructure code
   • DIt provides a history of changes, enabling auditing and rollback to previous versions
   Reveal Solution Discussion Select an answer first