Prepare 300-910 Exam with Using 300-910 Dump Questions

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

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

3. Which Kubernetes object ensures that each node is limited to running no more than one pod?

4. How does eliminating hardcoded or default passwords help to secure an environment?

5. DRAG DROP

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A developer is creating an application where each service uses a different operating system. The application components need to be isolated but must have the ability to communicate with each other.

Drag and drop the entries from the left into the order on the right to create a Dockerfile that will accomplish this goal.

6. 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?

7. 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.)

8. When DevOps practices are integrated into an existing organization, which two characteristics are positive indicators of DevOps maturity? (Choose two.)

9. Refer to the exhibit.





The IT team is creating a new design for a logging system. The system must be able to collect logs from different components of the infrastructure using the SNMP protocol. When the data is collected it will need to be presented in a graphical UI to the NOC team.

What is the architectural component that needs to be placed in the unlabeled box to complete this design?

10. A DevOps engineer must build a Docker image to containerize an application. Then the image must be pushed to a repository on Docker Hub in a CI/CD pipeline using GitHub Actions.

Which approach securely encrypts the Docker Hub access token as an environment variable within the CI/CD pipeline?

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

12. Refer to the exhibit.





An organization has issues with code-based failures after implementing a CI/CD pipeline to automate the builds and deployment phases of an application.

Which action must be added to the pipeline, after the application is deployed in the staging environment to minimize failures and to ensure a successful continuous deployment?

13. A development team uses Kubernetes for application development. Any changes on ConfigMap are performed manually for each development, test, and production environment. The edits are performed to deploy applications. This approach causes inconsistent deployments across all environments.

Which practice improves the consistency of the deployments?

14. A developer is nearing the end of a software development cycle and is ready to deploy the software. The customer wants to continue using a secure software development lifecycle methodology and must plan for postproduction components.

Which two areas should be the developer address? (Choose two.)

15. What is chaos engineering?

16. Refer to the exhibit.





The snippet contains the JSON string that will be sent to the Prometheus AlertManager to silence an alert. AlertManager accepts only the content type of application 'json''

Which Python code correctly sends an API call to perform action?

17. What are two advantages of using Configuration Management Tools? (Choose two.)

18. ConfigMap keys have been mapped to different file names using the volumes.configMap.items field.

What is the result if a wrong ConfigMap key is specified?

19. A developer wants to deploy a highly available web server cluster and decides to put a load balancer in front of multiple clustered nodes that run the same web service. The goal is for the load balancer to take in users and distribute the load across the whole cluster.

What kind of high-availability configuration is the developer running?

20. What are two benefits of Infrastructure as Code? (Choose two.)

21. DRAG DROP

A developer must create a GitLab CI/CD pipeline with these requirements:

• builds an on-demand test environment

• deploys configurations

• verifies the results

Drag and drop the code from the bottom onto the box where the code is missing to complete the GitLab CI/CD pipeline. Not all options are used.

22. Which step must be taken to enable centralized logging in a Kubernetes environment?

23. Refer to the exhibit.





An application for data storing and processing has been created. The application is time-sensitive and manages confidential data AppDynamics identifies error transactions within a distributed application.

Which action will help resolve the errors?

24. CORRECT TEXT

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.

25. A team must roll out updates on the production instance of an application. To avoid any service down time, the new version must be released alongside the old version. After the team ensures that the new version operates as it should, traffic will be redirected to the new version. Then the old version will be shut down.

Which deployment strategy must be used?

26. A three-tier web application must be moved to containers. A webserver is already in place, and the middleware container can talk to a central database server. The hostname of the database server is known, but the name of the middleware server must be provided to the webserver.

In which file should the name of the middleware server be configured?

27. What are two testing scenarios of the chaos engineering principle? (Choose two.)

28. An end user is seeing long web page load times on the internal business application that they are trying to view. The user is seeing this issue across multiple web browsers, and other users encounter the same issue.

Which action should the system administrator take to start looking for the cause of this issue?

29. 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?

30. DRAG DROP

Drag and drop the code from the bottom onto the box where the code is missing to post a message to a Cisco Webex space. Not all options are used.

31. A developer is creating an application based on microservices. The application will be used as a central repository for all company's documents. One of the microservices in the application will perform image processing. This microservice must autoscale to meet the current load and avoid down time.

Which metric must be used to trigger autoscaling events?

32. Refer to the exhibit.





A distributed application contains data services that connect to databases via JDBC and to other remote services via HTTP. The overall response time is too long, and AppDynamics is used to investigate the root cause. From the application flow map, a specific data service running on Docker has been identified whose response time is over 10 seconds.

Which action resolves the issue?

33. DRAG DROP

Drag and drop the steps in Gartner's public cloud cost management framework from the left into the order on the right.

34. A DevOps engineer is supporting a containerized application with multiple components running across the Kubernetes cluster. Metrics from the container (CPU and memory) and application (requests per second and heap size) are being collected by Prometheus and displayed with Grafana. Users report transaction timeout problems with the application, but the metric graphs all look within normal levels.

Which type of failure would prevent the engineer from seeing the problem using the captured metrics?

35. An application is being developed to be used by the HR department of a company on a global scale. The application will be used as a central repository for employee contracts. For user access, a RADIUS server will be used with authorized user groups.

Which action must be used to prevent developers from accidentally committing secrets in the code?

36. 1.DRAG DROP

Drag and drop the scenarios from the left onto the cloud strategy categories on the right.