What is the effective way to manage computing costs in a public cloud?
A. Monitor data transfers to minimize cost.
B. Use dedicated hardware for all instances.
C. Select the largest instance option available in order to pay for only one instance.
D. Make use of elastic services and scale on demand.
Refer to the exhibit.
What is the reason for this error message?
A. The required dependencies for the urllib3 module are not installed.
B. The requests module is not installed.
C. The required dependencies for the requests module are not installed.
D. The site-packages directory has been corrupted.
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.
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.
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
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
B. ENTRYPOINT ["/usr/sbin/apache2ctl", "-D", "FOREGROUND"]
C. ENTRYPOINT ["BACKGROUND", "-D", "/usr/sbin/apache2ctl"]
D. ENTRYPOINT {usr/sbin/apache2ctl}
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 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
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