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RedHat EX374 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Playbook Development | - Using roles and reusable content - Variables, facts, and templating (Jinja2) - Writing and structuring Ansible playbooks |
| Ansible Automation Platform Architecture | - Automation Controller overview - Automation content navigator and content management - Execution environments |
| Troubleshooting and Optimization | - Debugging playbooks and automation jobs - Logging and execution diagnostics |
| Automation Execution and Management | - Inventory management - Job templates and workflows - Credential management and access control |
| Automation Content and Collections | - Content navigation and reuse - Using Ansible collections |
RedHat Red Hat Certified Specialist in Developing Automation with Ansible Automation Platform Sample Questions:
Set up a directory for multiple host variable files for all managed hosts.
Reveal Solution Discussion 0Correct Answer:
mkdir -p host_vars
echo "ansible_user: admin" > host_vars/web1.yml
echo "ansible_user: root" > host_vars/db1.yml
Explanation:
Organizing host_vars ensures clarity when managing unique configurations for multiple hosts.
Filter a list of numbers to include only even numbers.
Reveal Solution Discussion 0Correct Answer:
- name: Filter even numbers hosts: localhost
vars:
numbers: [1, 2, 3, 4, 5, 6] tasks:
- name: Get even numbers debug:
var: "{{ numbers | select('even') | list }}"
Explanation:
The select filter applies a condition, such as even, to extract specific elements from a list.
Create a project in Automation Controller to pull content from a private Git repository using an SSH key.
Reveal Solution Discussion 0Correct Answer:
1. Navigate to Credentials and add: o Type: Source Control
o Username: Leave blank
o SSH Private Key: Upload your private key.
2. Create a project:
o Source Control Type: Git
o URL: [email protected]:private/repo.git
o Credential: Select the SSH credential.
3. Sync the project.
Explanation:
Using an SSH key allows secure access to private repositories for pulling automation content.
Execute a task on a remote host (db1) and use its output in a task on the current host.
Reveal Solution Discussion 0Correct Answer:
- name: Use delegated output hosts: web1
tasks:
- name: Get uptime from db1
command: uptime
delegate_to: db1
register: db1_uptime
- name: Display db1 uptime on web1 debug:
msg: "Uptime of db1: {{ db1_uptime.stdout }}"
Explanation:
Storing the output of a delegated task in a variable allows its use in subsequent tasks, bridging operations across hosts.
Validate if a variable my_ip contains a valid IP address using a filter.
Reveal Solution Discussion 0Correct Answer:
- name: Validate IP address hosts: localhost
vars:
my_ip: "192.168.1.1" tasks:
- name: Check if IP is valid
fail:
msg: "Invalid IP address"
when: my_ip | ipaddr is not defined
Explanation:
The ipaddr filter checks if a variable contains a valid IP address, ensuring proper network data validation.
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