Which practice is recommended to ensure reproducible builds?

Copying the entire build context into the image

Using specific image tags instead of `latest`

Using as many layers as possible

Using the `latest` tag to always get the newest image

What is the build context in a Docker build?

The set of files and directories sent to the Docker daemon to build the image

The directory where the Dockerfile is stored on the host

The list of environment variables defined in the Dockerfile

The base image used in the FROM instruction

When the Dockerfile contains `RUN apt-get update`, when does this command execute?

When the image is pushed to a registry

What is the purpose of the `VOLUME` instruction in a Dockerfile?

To set the size of the container's filesystem

To create a mount point for persistent data storage

To copy data from the host into the container

CiscoCertified Network Associate Automation (CCNA Automation)

Domain 4Objective 6

6. Interpret Contents of a Dockerfile 200-901 Practice Questions (Page 2)

Part of the 4.0 Application Deployment and Security domain, which accounts for 15% of the 200-901 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~8–12 in this domain), expect 1–1 from this objective — we provide 43 practice questions to prepare you well beyond it. (estimate)

43questions here

9free pages

12concepts

15%of the exam

Questions 6–10

6application · medium
A team is building a container for a legacy application that requires a specific version of a shared library. The application is known to work on Ubuntu 20.04. Which FROM instruction should be used to ensure compatibility?
Select an answer first
7foundation · easy
Which practice is recommended to ensure reproducible builds?
Select an answer first
8foundation · easy
What is the build context in a Docker build?
Select an answer first
9foundation · easy
When the Dockerfile contains `RUN apt-get update`, when does this command execute?
Select an answer first
10foundation · easy
What is the purpose of the `VOLUME` instruction in a Dockerfile?
Select an answer first

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