EX188 Storage And Configuration Practice Test 2 — 15 Questions

Question 1

An administrator wants to create a named volume using a specific volume driver instead of the default local driver. Which flag should be used with 'podman volume create'?

Accepted Answer

podman volume create --driver nfs my_vol. The --driver (or -d) flag specifies the volume driver to use for managing the volume.

Answer

podman volume create --storage-driver nfs my_vol

Answer

podman volume create --plugin nfs my_vol

Answer

podman volume create -t nfs my_vol

Question 2

An engineer needs to mount a host directory using the advanced '--mount' syntax instead of '-v'. Which syntax correctly specifies a bind mount?

Accepted Answer

podman run --mount type=bind,source=/host/path,destination=/container/path myapp. The '--mount' flag uses comma-separated key-value pairs like type=bind,source=...,destination=...

Answer

podman run --mount /host/path:/container/path:bind myapp

Answer

podman run --mount source=/host/path,target=/container/path myapp

Answer

podman run --mount bind:/host/path:/container/path myapp

Question 3

When configuring an environment file for use with '--env-file', how are comment lines designated?

Accepted Answer

Using '#' at the beginning of the line. Lines beginning with the hash character (#) are treated as comments in Podman environment files.

Answer

Using '//' at the beginning of the line

Answer

Using ';' at the beginning of the line

Answer

Using '/* ... */' block syntax

Question 4

Which subcommand deletes one or more specific named volumes?

Accepted Answer

podman volume rm. 'podman volume rm' removes specified named volumes.

Answer

podman volume drop

Answer

podman volume delete

Answer

podman rm volume

Question 5

An administrator needs to pass a single environment variable directly on the command line when starting a container. Which flag accomplishes this?

Accepted Answer

podman run -e DB_HOST=localhost myapp. The --env or -e flag defines environment variables for the container.

Answer

podman run --set-env DB_HOST=localhost myapp

Answer

podman run -v DB_HOST=localhost myapp

Answer

podman run --variable DB_HOST=localhost myapp

Question 6

An application requires a secret to be exposed as an environment variable inside the container instead of a file mount. Which option achieves this with '--secret'?

Accepted Answer

podman run --secret db_pwd,type=env myapp. Using the 'type=env' option with '--secret' injects the secret value directly into an environment variable.

Answer

podman run --secret db_pwd,destination=env myapp

Answer

podman run --secret db_pwd,target=variable myapp

Answer

podman run --secret db_pwd,mode=environment myapp

Question 7

An administrator wants to pass custom options to a volume driver when creating a volume. Which flag should be used?

Accepted Answer

podman volume create --opt type=nfs .... The --opt flag passes driver-specific options when creating a named volume.

Answer

podman volume create --options ...

Answer

podman volume create -o-drv ...

Answer

podman volume create --driver-opt ...

Question 8

What type of storage pattern is used by default when a container writes logs and temporary application state directly to its writable layer without any volumes attached?

Accepted Answer

Ephemeral container storage. Ephemeral storage refers to temporary storage bound to the container's lifecycle and destroyed when the container is removed.

Answer

Persistent named storage

Answer

Bind mount storage

Answer

Block storage replication

Question 9

An administrator needs to create a Podman secret from a file on disk named 'secret.txt'. Which command correctly performs this action?

Accepted Answer

podman secret create db_secret secret.txt. 'podman secret create' takes a secret name and a file path containing the secret data.

Answer

podman secret import db_secret secret.txt

Answer

podman create secret db_secret secret.txt

Answer

podman secret add db_secret --file secret.txt

Question 10

An engineer needs to inspect the content and metadata of an existing Podman secret named 'my_secret' without outputting the raw secret value in plain text if masked, or viewing its metadata. Which command inspects the secret?

Accepted Answer

podman secret inspect my_secret. 'podman secret inspect' displays detailed metadata about the secret object.

Answer

podman secret cat my_secret

Answer

podman secret show my_secret

Answer

podman secret view my_secret

Question 11

Which flag can be passed to 'podman run' to automatically remove the container and its anonymous volumes upon exit?

Accepted Answer

podman run --rm. The --rm flag removes the container and any associated anonymous volumes when the container stops.

Answer

podman run --delete-on-exit

Answer

podman run --clean

Answer

podman run --purge

Question 12

An administrator wants to bind mount a host file directly into a container as a configuration file. Is this supported in Podman?

Accepted Answer

Yes, Podman supports bind mounting individual files from the host.. Podman supports bind mounting both directories and individual files from the host into a container.

Answer

No, bind mounts are restricted to named volumes only.

Answer

No, Podman only supports bind mounting entire directories.

Answer

Yes, but only if the file is located inside /var/lib/containers.

Question 13

When using the '--mount' flag, what parameter specifies the type of mount being performed (e.g., bind, volume, tmpfs)?

Accepted Answer

type=. The 'type=' key specifies whether the mount is a bind, volume, or tmpfs mount.

Answer

kind=

Answer

method=

Answer

mount-type=

Question 14

An administrator needs to create a temporary filesystem mount stored purely in host memory for high-performance temporary data inside a container. Which mount type should be used?

Accepted Answer

podman run --tmpfs /app/cache myapp. A tmpfs mount stores data in host system memory (RAM), providing high-speed temporary storage.

Answer

podman run --ramdisk /app/cache myapp

Answer

podman run --mount type=memory,destination=/app/cache myapp

Answer

podman run --memory-mount /app/cache myapp

Question 15

An administrator wants to ensure that a bind-mounted directory allows propagation of mounts from the host into the container. Which mount option configures mount propagation mode?

Accepted Answer

podman run -v /host/dir:/container/dir:shared myapp. Mount propagation (shared, slave, private) can be configured using propagation options like 'shared' or 'slave'.

Answer

podman run -v /host/dir:/container/dir:mtype=shared myapp

Answer

podman run -v /host/dir:/container/dir:sync myapp

Answer

podman run -v /host/dir:/container/dir:propagate myapp