Question 346 of 527
Manage containerseasyMultiple ChoiceObjective-mapped

EX200 Manage containers Practice Question

This EX200 practice question tests your understanding of manage containers. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

A developer is running Podman as a non-root user on a Red Hat Enterprise Linux 8 system. The developer successfully runs a container, but notices that after logging out of the SSH session, the container stops. The developer wants the container to continue running even after disconnecting from the SSH session. The container is a simple web server that listens on port 8080. The developer has already enabled lingering for the user account using 'loginctl enable-linger'. However, the container still stops upon logout. What additional step should the developer take to ensure the container persists after logout?

Question 1easymultiple choice
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Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

Create a systemd user service by running 'podman generate systemd --new --name mywebcontainer' and then enable and start the service with 'systemctl --user enable --now container-mywebcontainer.service'

Option D is correct because even with lingering enabled, a container started directly via `podman run` is tied to the user's login session and will be terminated when the session ends. To make the container persist independently of the SSH session, it must be managed as a systemd user service. The `podman generate systemd --new` command creates a systemd unit file that can be enabled with `systemctl --user`, ensuring the container starts automatically and continues running after logout.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • Add the --restart=always flag to the podman run command

    Why it's wrong here

    The --restart flag only controls restart behavior within the container's lifetime; it does not tie the container to systemd and will not survive session logout without a systemd service.

  • Use podman run --detach to run the container in the background

    Why it's wrong here

    Detaching the container (option -d) runs it in the background but still within the user session; when the session ends, the background processes are terminated.

  • Use podman run -d to run the container in detached mode

    Why it's wrong here

    Same explanation as option C; detached mode does not survive session logout.

  • Create a systemd user service by running 'podman generate systemd --new --name mywebcontainer' and then enable and start the service with 'systemctl --user enable --now container-mywebcontainer.service'

    Why this is correct

    Generating a systemd user service allows the container to be managed independently of the user session; enabling lingering ensures the user's systemd instance persists, and the service keeps the container running after logout.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates confuse `--detach` or `-d` with making a container persistent, when in fact those flags only detach the container from the terminal, not from the user's login session; the container still stops when the session ends unless it is managed by systemd.

Detailed technical explanation

How to think about this question

Under the hood, when a non-root user runs Podman, containers are managed by `podman` as child processes of the user's login session (e.g., `sshd`). Even with `loginctl enable-linger`, which keeps the user's systemd user instance alive after logout, the container process itself is not automatically adopted by systemd. Using `podman generate systemd --new` creates a systemd unit that uses `podman run` with `--cgroups=split` and `--sdnotify=conmon`, allowing systemd to manage the container's lifecycle independently of the user's session. In a real-world scenario, this is critical for production services like web servers that must survive SSH disconnections or system reboots.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this EX200 question test?

Manage containers — This question tests Manage containers — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Create a systemd user service by running 'podman generate systemd --new --name mywebcontainer' and then enable and start the service with 'systemctl --user enable --now container-mywebcontainer.service' — Option D is correct because even with lingering enabled, a container started directly via `podman run` is tied to the user's login session and will be terminated when the session ends. To make the container persist independently of the SSH session, it must be managed as a systemd user service. The `podman generate systemd --new` command creates a systemd unit file that can be enabled with `systemctl --user`, ensuring the container starts automatically and continues running after logout.

What should I do if I get this EX200 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 24, 2026

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This EX200 practice question is part of Courseiva's free Red Hat certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the EX200 exam.