300-910 Online Practice Questions and Answers

FILL BLANK

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.

A CI/CD pipeline that builds infrastructure components using Terraform must be designed. A step in the pipeline is needed that checks for errors in any of the .tf files in the working directory. It also checks the existing state of the defined infrastructure.

Which command does the pipeline run to accomplish this goal?

A. terraform plan

B. terraform check

C. terraform fmt

D. terraform validate

Which two characteristics of a build tool that is used in an automated build pipeline? (Choose two.)

A. It runs unit tests against code that is committed.

B. It builds your software on the production environment.

C. It builds your software when changes are committed.

D. It builds your software every 500 milliseconds.

E. It must have a plug-in for Puppet and Maven.

Which two statements about Infrastructure as Code are true? (Choose two.)

A. Test-driven development practices make use of Infrastructure as Code.

B. Infrastructure as Code refers to automated testing libraries.

C. DevOps builds upon Infrastructure as Code.

D. Infrastructure as Code is based on practices from software development.

E. Infrastructure as Code must use the same programming language as the application.

Refer to the exhibit.

A developer needs to scale the existing pods within the worked nodes. Which object should be edited to achieve this goal?

A. ReplicaSet

B. PriorityClass

C. Deployment

D. Pod

Which two elements help to secure your API keys? (Choose two.)

A. ramdomness

B. SHA1

C. triple AES

D. rotation

E. dictionary

Refer to the exhibit.

The push_configs.yml playbook returns the error shown.

Which action resolves the error?

A. Install the Paramiko library on the host that runs Ansible

B. Generate a new SSH key pair and add the public key to the target machine

C. Export the ANSIBLE_HOST_KEY_CHECKING=False variable

D. Comment out the StrictHostKeyChecking=yes line from ansible.cfg

A new banking application is being developed as the main currency exchange resource for all the customers on a global scale. The application must comply with the security based on the deployed region. Therefore, the CI/CD pipeline must be created with the highest security possible.

Which approach accomplishes this goal?

A. Give the accounts used in the CI/CD pipeline full administrative rights to all applications

B. Use the same passwords across the entire CI/CD pipeline

C. Ensure that secrets are not inadvertently passed on during builds for pull requests via CI/CD pipeline

D. Never use one-time passwords in CI/CD pipeline

Refer to the exhibit.

Which action allows the development team to reach the deployed application?

A. Create an init container to initialize routes for the containers in the pod

B. Create a service to expose the logic running in the pod

C. Delete the deployment and redeploy by using a ReplicaSet.

D. Delete the deployment and redeploy by using the latest tag for the container image

An IT department needs to deploy a new application named `Entfin434772390' across the entire enterprise. The deployment must gradually transfer user traffic from an on older and nearly identical version of the application named `Entfin02754932l'. Both versions of the application are running in the production environment.

Which release strategy should be used by the IT department?

A. agile

B. canary

C. rollbacks

D. blue/green