GOWUKAKU｜IT認定資格の最新の試験問題集（PDF版・無料サンプル問題）を提供しています
Red Hat Certified Specialist in Containers 試験
最終更新日: 2026/10/10 収録内容確認済 ｜ PDF問題集: 全 380 問収録
【仕様案内】：EX188 問題集（PDF版）は日本語版＆英語版の2言語セットに対応しております（日本語版が準備中の科目は英語版を即時ダウンロードのうえ、日本語版は準備完了次第ご登録メールへ自動送付いたします）。
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全380問を収録したPDF版は、EX188 問題集からご確認いただけます。
Question No : 1
Which instruction should you use to install packages during the image build process?
正解:
Explanation:
The RUN instruction executes commands like package installations during the build process.
Question No : 2
What is the purpose of podman run --rm?
正解:
Explanation:
The --rm option automatically removes the container when it exits, keeping the environment clean.
Question No : 3
Which command restarts a container?
正解:
Explanation:
podman restart stops and starts a container, useful for applying configuration changes.
Question No : 4
What is the default user for a Podman container if USER is not specified?
正解:
Explanation:
If no USER instruction is specified, the container runs as the root user by default, which poses security risks.
Question No : 5
Which option forces a container to use a read-only filesystem?
正解:
Explanation:
The --read-only option ensures the container’s filesystem is immutable, enhancing security.
Question No : 6
Which two commands create a new container? (Select two)
正解:
Explanation:
podman run and podman create both create containers, but run also starts the container immediately.
Question No : 7
What happens when you use podman stop <container>?
正解:
Explanation:
podman stop sends a SIGTERM signal to gracefully stop the container, allowing cleanup tasks to complete.
Question No : 8
How do you display a container’s process list?
正解:
Explanation:
The podman top command shows the processes running inside a container, similar to the top command on a host system.
Question No : 9
Which instruction should you use to copy files from a URL into a container?
正解:
Explanation:
The ADD instruction can fetch files from a URL and copy them into the container, unlike COPY, which only works with local files.
Question No : 10
What does the podman commit command do?
正解:
Explanation:
podman commit captures the current state of a container and creates a new image from it.
Question No : 11
Which two commands display network information for a container? (Select two)
正解:
Explanation:
podman inspect shows network details for a specific container, while podman network inspect gives information about networks.
Question No : 12
What does the podman volume inspect command display?
正解:
Explanation:
podman volume inspect provides detailed metadata about a volume, including mount points and labels.
Question No : 13
Which option ensures a container runs with restricted privileges?
正解:
Explanation:
The --security-opt=no-new-privileges option prevents the container from gaining additional privileges, enhancing security.
Question No : 14
What does podman healthcheck do?
正解:
Explanation:
The podman healthcheck command assesses the health status of a container, ensuring it functions as expected.
Question No : 15
How do you limit the memory usage of a container?
正解:
Explanation:
The --memory option sets a limit on the container’s memory usage, preventing excessive resource consumption.