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Installation and Configuration Questions

Practice questions for Installation and Configuration topic in Docker Certified Associate. 30 questions covering this domain.

30 questions8 easy16 medium6 hard
Q1
easy

On a standard Linux Docker Engine installation, which path is the default location for the daemon configuration file?

Q2
medium

Why is adding a user to the Linux `docker` group considered security-sensitive?

Q3
medium

A host has many short-lived containers, and the operations team wants a default logging driver that helps reduce disk-exhaustion risk compared with `j...

Q4
medium

An administrator sets the same daemon option in both a systemd `dockerd` start flag and `/etc/docker/daemon.json`. What does Docker document will happ...

Q5
hard

A private registry uses an internal certificate authority. The team wants secure image pulls without marking the registry as insecure. Which approach ...

Q6
easy

Which logging driver is the default for Docker containers unless the daemon configuration is changed?

Q7
medium

An engineer puts `max-file: 3` and `max-size: 10m` under `log-opts` in `daemon.json`. Which statement is accurate?

Q8
medium

On a systemd-based Linux host, which command pair enables Docker Engine and containerd to start automatically at boot?

Q9
medium

Which storage driver does Docker recommend on supported Linux distributions?

Q10
easy

Which storage driver is used for Docker on Windows hosts?

Q11
medium

A team wants secure remote Docker daemon access without opening a raw TCP listener on 2375 or 2376. Which documented option fits that goal?

Q12
easy

When Docker Engine runs in rootless mode on Linux, where is the default daemon configuration file stored?

Q13
medium

An operator wants to check whether a `daemon.json` file is syntactically valid before restarting the engine. Which command supports that workflow?

Q14
medium

Which endpoint does a standard Linux Docker daemon listen on by default?

Q15
hard

A team launches two Docker daemons on the same host and points both at the same data directory to save disk space. Why is this unsupported?

Q16
easy

What is the default Windows path for the Docker daemon configuration file?

Q17
easy

Which Docker Engine release channel is intended for general availability and production use?

Q18
medium

What can `--insecure-registry` identify in Docker daemon configuration?

Q19
hard

Which legacy registry operation still remains as an exception after Docker removed v1 registry support for push, pull, and login?

Q20
medium

What is the default path for Docker daemon state on Windows?

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