What is the purpose of the -t flag in the docker build command?

It sets the build timeout in seconds.

It enables verbose output during the build.

It specifies the target stage in a multi-stage build.

It specifies the tag for the resulting image.

An engineer built several versions of an application image. After testing, the engineer wants to remove an unused image named myapp:v1.2 and all containers that were created from it. The engineer first runs docker ps -a and sees a container with image myapp:v1.2 that is stopped. Which sequence of commands removes the container and the image?

docker rm && docker rmi myapp:v1.2

docker image prune && docker rm

docker container prune && docker rmi myapp:v1.2

docker rmi myapp:v1.2 && docker rm

CiscoCertified DevNet Professional

Domain 4Objective 4

Utilize Docker to Containerize an Application 350-901 Practice Questions (Page 5)

Part of the 4.0 Application Deployment and Security domain, which accounts for 20% of the 350-901 exam. Cisco does not publish an official question count, but from its 120-minute exam (~50–80 total, ~10–16 in this domain), expect 1–1 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

10concepts

20%of the exam

Questions 21–25

21foundation · easy
Which command downloads a Docker image from a registry?
Select an answer first
22foundation · easy
Which Docker network driver provides the default bridge network for containers on the same host?
Select an answer first
23foundation · easy
What is the purpose of the -t flag in the docker build command?
Select an answer first
24application · medium
An engineer built several versions of an application image. After testing, the engineer wants to remove an unused image named myapp:v1.2 and all containers that were created from it. The engineer first runs docker ps -a and sees a container with image myapp:v1.2 that is stopped. Which sequence of commands removes the container and the image?
Select an answer first
25foundation · easy
Which command uploads a local Docker image to a registry?
Select an answer first

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Utilize Docker to Containerize an Application 350-901 Practice Questions (Page 5)

Questions 21–25

Which command downloads a Docker image from a registry?

Which Docker network driver provides the default bridge network for containers on the same host?

What is the purpose of the -t flag in the docker build command?

Which command uploads a local Docker image to a registry?

Keep studying — 4.0 Application Deployment and Security