cisco 300-910 practice test

DRAG DROP
Drag and drop the operations from the left into the correct order on the right when using CI/CD,
assuming that there are no failures or conflicts.

A DevOps engineering wants to build an application implementation based on the CI/CD pipeline
model. Which service should be used to provide hosted continuous service for open and private
projects?

• A. Ansible
• B. pyATS
• C. Genie CLI
• D. Travis CI

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?

• A. EXPOSE 8080
• B. FIREWALL ADD-PORT 8080
• C. PORT 8080
• D. OPEN PORT 8080

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

• A. Run only a single service in each container.
• B. Run all services in a single image.
• C. Use version tags for base images and dependencies.
• D. Use Kali Linux as a base image.
• E. Download images over HTTPS supporting sites.

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?

• A. ENTRYPOINT <usr/sbin/apache2ctl>
• B. ENTRYPOINT [“/usr/sbin/apache2ctl”, “-D”, “FOREGROUND”]
• C. ENTRYPOINT [“BACKGROUND”, “-D”, “/usr/sbin/apache2ctl”]
• D. ENTRYPOINT {usr/sbin/apache2ctl}

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

• A. docker attach -it test /bin/bash
• B. docker run -it test /bin/bash
• C. docker exec -it test /bin/bash
• D. docker run test /bin/bash

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

• A. when there is a change to a username or password in the Docker secrets
• B. when the application has a new release
• C. when a fix for a security vulnerability is released
• D. when a change is needed to an environment variable in the Dockerfile
• E. when the base image is nearing the end of life

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.)

• A. application feature sprawl
• B. CPU peak usage
• C. CPU average usage
• D. microservices count
• E. CPU frequency

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.)

• A. Service instances must be isolated from one another.
• B. Service must be independently deployable and scalable.
• C. Service are written using the same languages, frameworks, and framework versions.
• D. Service must be dependent, deployable, and scalable.
• E. Service instances do not need to be isolated from one another.

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

• A. It complies source code into binaries and executables.
• B. It provides a way to edit source code using a graphical interface.
• C. It is a manual process that is followed to build software.
• D. It tracks bugs and incidents in a built application.