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Question 11

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A DevOps engineer has built a new container and must open port 8080 for intercontainer communication. Which command must be added in a Dockerfile to accomplish this goal?

EXPOSE 8080

EXPOSE 8080

FIREWALL ADD-PORT 8080

FIREWALL ADD-PORT 8080

PORT 8080

PORT 8080

OPEN PORT 8080

OPEN PORT 8080

Suggested answer: A
asked 10/10/2024
Jonny McKitrick
47 questions

Question 12

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Which two actions help limit the attack surface of your Docker container? (Choose two.)

Run only a single service in each container.

Run only a single service in each container.

Run all services in a single image.

Run all services in a single image.

Use version tags for base images and dependencies.

Use version tags for base images and dependencies.

Use Kali Linux as a base image.

Use Kali Linux as a base image.

Download images over HTTPS supporting sites.

Download images over HTTPS supporting sites.

Suggested answer: A, C
Explanation:

Running only a single service in each container and using version tags for base images and dependencies helps limit the attack surface of your Docker container. This ensures that only the necessary services are running and that you always have the latest versions of the base images and their dependencies, reducing the risk of malicious code being included in the container image.

Reference: Docker Documentation, Security Best Practices.

asked 10/10/2024
Yusuf Sivrikaya
45 questions

Question 13

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A DevOps engineer has built a container to host a web-server and it must run as an executable.

Which command must be configured in a Dockerfile to accomplish this goal?

ENTRYPOINT <usr/sbin/apache2ctl>

ENTRYPOINT <usr/sbin/apache2ctl>

ENTRYPOINT [“/usr/sbin/apache2ctl”, “-D”, “FOREGROUND”]

ENTRYPOINT [“/usr/sbin/apache2ctl”, “-D”, “FOREGROUND”]

ENTRYPOINT [“BACKGROUND”, “-D”, “/usr/sbin/apache2ctl”]

ENTRYPOINT [“BACKGROUND”, “-D”, “/usr/sbin/apache2ctl”]

ENTRYPOINT {usr/sbin/apache2ctl}

ENTRYPOINT {usr/sbin/apache2ctl}

Suggested answer: B
asked 10/10/2024
Romsat Sertec
39 questions

Question 14

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Which Docker command is used to start an interactive Bash shell in a running container named “test”?

docker attach -it test /bin/bash

docker attach -it test /bin/bash

docker run -it test /bin/bash

docker run -it test /bin/bash

docker exec -it test /bin/bash

docker exec -it test /bin/bash

docker run test /bin/bash

docker run test /bin/bash

Suggested answer: C
asked 10/10/2024
Phuong Pham
45 questions

Question 15

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What are two reasons a Docker golden image should be updated? (Choose two.)

when there is a change to a username or password in the Docker secrets

when there is a change to a username or password in the Docker secrets

when the application has a new release

when the application has a new release

when a fix for a security vulnerability is released

when a fix for a security vulnerability is released

when a change is needed to an environment variable in the Dockerfile

when a change is needed to an environment variable in the Dockerfile

when the base image is nearing the end of life

when the base image is nearing the end of life

Suggested answer: B, C
asked 10/10/2024
Josef Anwar Panerio
40 questions

Question 16

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A company has experienced serious growth and the hosted applications are getting more and more hits. Based on the increased work load, applications have started to show signs of reduced performance, which is affecting the user experience.

Which two server metrics should be tracked to ensure that the customer experience remains within acceptable limits? (Choose two.)

application feature sprawl

application feature sprawl

CPU peak usage

CPU peak usage

CPU average usage

CPU average usage

microservices count

microservices count

CPU frequency

CPU frequency

Suggested answer: B, C
asked 10/10/2024
Sharhonda Herman
55 questions

Question 17

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Microservices architecture pattern has been applied and the system has been architected as a set of services. Each service is deployed as a set of instances for throughput and availability. In which two ways are these services packaged and deployed? (Choose two.)

Service instances must be isolated from one another.

Service instances must be isolated from one another.

Service must be independently deployable and scalable.

Service must be independently deployable and scalable.

Service are written using the same languages, frameworks, and framework versions.

Service are written using the same languages, frameworks, and framework versions.

Service must be dependent, deployable, and scalable.

Service must be dependent, deployable, and scalable.

Service instances do not need to be isolated from one another.

Service instances do not need to be isolated from one another.

Suggested answer: A, B
asked 10/10/2024
Carlotta Agape
47 questions

Question 18

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What is the purpose of using a build tool in software development?

It complies source code into binaries and executables.

It complies source code into binaries and executables.

It provides a way to edit source code using a graphical interface.

It provides a way to edit source code using a graphical interface.

It is a manual process that is followed to build software.

It is a manual process that is followed to build software.

It tracks bugs and incidents in a built application.

It tracks bugs and incidents in a built application.

Suggested answer: A
asked 10/10/2024
colin ciallella
36 questions

Question 19

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Fill in the blanks to complete the line of Python code that sends a message to a Webex Teams room or person.

Cisco 300-910 image Question 19 115190 10102024232858000000

post, messages

post, messages

Suggested answer: A
asked 10/10/2024
luis coco enriquez
42 questions

Question 20

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Fill in the blank to complete the statement.

A user wants a Kubernetes deployment to run three separate pods of a web application at one time.

In the deployment YAML, the user must configure the___________field in the________subsection.

"replicas" ,

"spec"

"replicas" ,

"spec"

Suggested answer: A
asked 10/10/2024
Aung Nyi Nyi Win
32 questions
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