The correct answer is the two-step command `podman volume create dbdata && podman run -v dbdata:/var/lib/mysql mydb`, because it first explicitly creates a named volume and then mounts it to the container’s data directory using the `-v` flag. Named volumes are Podman-managed storage objects that exist independently of any container, so data written to `/var/lib/mysql` persists across container restarts or removal, unlike ephemeral container layers. On the EX200 exam, this tests your understanding of persistent storage management under the container runtime objective—a common trap is assuming `-v` alone creates the volume automatically, but Podman requires the explicit `podman volume create` step for named volumes (anonymous volumes are created on the fly). Remember the mnemonic: “Create first, then mount—data won’t count if the volume’s not announced.”
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 container running a database service needs to persist data across restarts. The administrator decides to use a named volume. Which command creates a named volume and mounts it correctly?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
podman volume create dbdata && podman run -v dbdata:/var/lib/mysql mydb
Option B is correct because it first creates a named volume with `podman volume create dbdata`, then mounts that named volume to the container's `/var/lib/mysql` directory using the `-v` flag. Named volumes are managed by Podman and persist data independently of the container lifecycle, ensuring data survives container restarts or removal.
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.
✗
podman run -v /var/lib/mysql:/var/lib/mysql mydb
Why it's wrong here
This creates a bind mount to a host path, not a named volume.
✓
podman volume create dbdata && podman run -v dbdata:/var/lib/mysql mydb
Why this is correct
Creates a named volume and mounts it correctly.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
podman run --mount type=bind,src=dbdata,dst=/var/lib/mysql mydb
Why it's wrong here
'type=bind' expects a host path, not a volume name.
✗
podman run --mount type=tmpfs,dst=/var/lib/mysql mydb
Why it's wrong here
tmpfs is temporary and not persistent across restarts.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse bind mounts with named volumes, assuming `-v` always creates a named volume when the source is not an absolute path, but Podman treats a non-absolute source as a host-relative path or volume name depending on context, and the exam tests the explicit use of `podman volume create` for named volumes.
Detailed technical explanation
How to think about this question
Named volumes in Podman are stored under `/var/lib/containers/storage/volumes/` by default and are managed via the `podman volume` subcommand. They support features like volume drivers (e.g., `local`, `nfs`) and can be shared across multiple containers. Unlike bind mounts, named volumes are automatically created if they don't exist when referenced with `-v`, but explicit creation with `podman volume create` allows setting options like size or device.
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 practitioner preparing for the EX200 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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.
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: podman volume create dbdata && podman run -v dbdata:/var/lib/mysql mydb — Option B is correct because it first creates a named volume with `podman volume create dbdata`, then mounts that named volume to the container's `/var/lib/mysql` directory using the `-v` flag. Named volumes are managed by Podman and persist data independently of the container lifecycle, ensuring data survives container restarts or removal.
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.
Are there clue words in this question I should notice?
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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