[2026年06月]更新のEX374試験問題集、EX374練習テスト問題
検証済みEX374問題集PDF資料 [2026]
質問 # 22
A teammate accidentally pushed sensitive data to the repository. Use an interactive rebase to remove the commit containing the sensitive data.
正解：
解説：
git rebase -i HEAD~3
# In the interactive editor, mark the commit with "d" to delete it, then save and exit.
Explanation:
Interactive rebasing enables modification of commit history, such as editing, squashing, or deleting commits, useful for fixing errors.
質問 # 23
Write a playbook to validate host connectivity in the combined inventory.
正解：
解説：
- name: Validate connectivity hosts: all
tasks:
- name: Ping hosts ping:
Explanation:
Testing host connectivity ensures that all hosts in the combined inventory are reachable and configured correctly.
質問 # 24
Configure web1 to use sudo for privilege escalation and run a playbook to display the hostname.
正解：
解説：
echo "ansible_become: yes" > host_vars/web1.yml
Playbook:
- name: Check hostname hosts: web1
tasks:
- command: hostname
Explanation:
The ansible_become variable enables privilege escalation for tasks requiring elevated permissions.
質問 # 25
Configure a playbook to use the inventory IP address directly and verify connectivity.
正解：
解説：
- name: Verify connectivity hosts: "{{ ansible_host }}" tasks:
- ping:
Explanation:
Dynamic host referencing allows direct use of inventory values, making playbooks adaptable to inventory changes.
質問 # 26
Inspect the logs of an EE build process.
正解：
解説：
podman logs $(podman ps -aq --filter ancestor=my_execution_env:1.0)
Explanation:
Inspecting logs helps troubleshoot issues that occur during the build process, ensuring a functional EE.
質問 # 27
Undo changes made to config.txt before staging the file.
正解：
解説：
git checkout -- config.txt
Explanation:
git checkout -- <file> reverts changes in the working directory to the last committed state.
質問 # 28
Analyze logs of an EE job run in Automation Controller.
正解：
解説：
1. Navigate to Jobs in Automation Controller.
2. Open the job details for the executed playbook.
3. View the logs for task outputs and errors.
Explanation:
Job logs provide insights into the execution flow and help debug issues within the EE.
質問 # 29
Set up a project in Automation Controller to pull content from Automation Hub.
正解：
解説：
1. Go to Projects.
2. Create a new project:
o Name: Automation Hub Project
o Source Control Type: Automation Hub
o URL: https://automation-hub.example.com/
3. Sync the project.
Explanation:
Pulling content from Automation Hub ensures the latest roles and playbooks are available for use.
質問 # 30
Verify the integrity of a built collection before publishing.
正解：
解説：
ansible-galaxy collection verify my_namespace-my_collection-1.0.0.tar.gz
Explanation:
The verify command ensures that the collection meets all required standards and is valid for publishing.
質問 # 31
Configure a playbook to run on a specific IP address instead of the host name defined in the inventory.
正解：
解説：
# playbook.yml
- name: Ping specific host hosts: 192.168.1.10 tasks:
- ping:
Explanation:
Specifying an IP directly overrides inventory naming, providing flexibility for ad-hoc runs or testing specific hosts.
質問 # 32
Use block to group tasks and apply privilege escalation only to the group.
正解：
解説：
- name: Block example hosts: all
tasks:
- block:
- name: Update package cache apt:
update_cache: yes
- name: Install nginx
apt:
name: nginx
state: present
become: yes
Explanation:
Blocks apply common parameters like become to grouped tasks, reducing repetition and improving clarity.
質問 # 33
Run a task on a different host than the one defined in the inventory using delegate_to.
正解：
解説：
- name: Delegate task to another host hosts: web1
tasks:
- name: Run a command on db1
command: uptime
delegate_to: db1
Explanation:
The delegate_to keyword ensures the task is executed on db1, even if the play is targeting web1. This is useful for tasks requiring resources or operations on another host.
質問 # 34
Run a task on localhost but save its output in the context of web1.
正解：
解説：
- name: Local execution with remote context hosts: web1
tasks:
- name: Execute locally
command: echo "Local task output"
delegate_to: localhost
register: local_output
- name: Display output debug:
var: local_output
Explanation:
This setup retains control node task output within the delegating host's scope, enabling contextual analysis.
質問 # 35
You are asked to pull the latest changes from the main branch of the remote repository into your local branch. Perform this operation.
正解：
解説：
git pull origin main
Explanation:
Pulling updates the local branch with the latest remote changes, merging any new commits into your local repository.
質問 # 36
Split db1 variables into multiple files: db1_connection.yml and db1_settings.yml. Include connection details and custom database settings.
正解：
解説：
echo "ansible_user: dbadmin" > host_vars/db1_connection.yml
echo "db_name: my_database" > host_vars/db1_settings.yml
Explanation:
Splitting variables into logical files enhances modularity and improves clarity for managing complex configurations.
質問 # 37
Inspect the file system of the EE container image.
正解：
解説：
podman run --rm -it my_execution_env:1.0 sh
Explanation:
Starting an interactive shell inside the EE allows inspection of its file system, aiding in troubleshooting or
customization.
質問 # 38
Package the collection into a .tar.gz file for distribution.
正解：
解説：
ansible-galaxy collection build my_namespace/my_collection
Explanation:
The build command packages the collection, creating a compressed file ready for sharing or publishing.
質問 # 39
Push your changes from the feature-update branch to the remote repository.
正解：
解説：
git push origin feature-update
Explanation:
Pushing ensures the local changes are reflected in the remote repository, allowing collaboration and backup of the branch.
質問 # 40
Create a playbook to skip tasks for hosts with ansible_distribution set to CentOS.
正解：
解説：
- name: Skip CentOS hosts: all
tasks:
- name: Run on non-CentOS debug:
msg: "This is not CentOS"
when: ansible_facts['distribution'] != "CentOS"
Explanation:
Skipping tasks based on conditions ensures compatibility and avoids unnecessary errors on unsupported hosts.
質問 # 41
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