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Docker Tutorial
BOSS QUIZ
10 questions · 5 minutes · pass at 70% to clear the track.
05:00
Start
Q1.
Dockerfile keyword to set the start command is…
from Dockerfile
START
CMD
RUN
EXEC
Q2.
Persist DB data with…
from compose.yaml
ports
volumes
env
depends_on
Q3.
For an interactive shell use…
from docker run
-it
-i
-T
-x
Q4.
A Docker image is…
from Docker Intro
A snapshot of an instance
A read-only template used to start containers
A virtual disk
A backup
Q5.
"docker run" flag for detached mode is…
from docker run
-d
-bg
--detach=true
-D
Q6.
Set env var inline with…
from docker run
-e KEY=value
--var KEY=value
-env KEY
-cfg KEY
Q7.
WORKDIR sets…
from Dockerfile
User
Default directory for subsequent steps
Port
Network
Q8.
Container vs image — containers are…
from Docker Intro
Running instances of an image
Same as images
Templates only
Always temporary VMs
Q9.
A container is…
from Docker Intro
A VM
A lightweight isolated process + filesystem
A class
A network packet
Q10.
Map a host port with…
from compose.yaml
expose
ports
forward
mapping
Submit
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