Free 300-910 Practice Test Questions and Answers (2026) | Cert Empire Practice Questions

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Q: 1
What are two testing scenarios of the chaos engineering principle? (Choose two.)
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Q: 2
DRAG DROP A DevOps engineer is designing a precheck validation of the network state in a CI/CD pipeline and must implement this workflow: • Take a source Docker image named alpine • Define two stages named build and push • Check network connectivity before the stages run • Fetch the latest Docker image • Create a new Docker image and push it to the registry • Tag the new Docker image as the latest version Drag and drop the code snippets from the bottom onto the boxes in the GitLab CI configuration to achieve the requirements for the design. Not all options are used. 300-910 question
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Q: 3
Refer to the exhibit. 300-910 question A docker-compose.yml file implements a postgres database container. Which .gitlab-ci.yml code block checks the health status of the container and stops the pipeline if the container is unhealthy? A) 300-910 question B) 300-910 question C) 300-910 question D) 300-910 question
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Q: 4
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?
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Q: 5
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?
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Q: 6
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. 300-910 question
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Q: 7
Refer to the exhibit. 300-910 question 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?
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Q: 9
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?
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Q: 10

Fill in the blanks to complete the line of Python code that sends a message to a Webex Teams room or person. 300-910 question

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Q: 11

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.

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Q: 12

Fill in the blanks to complete the statement. When creating multiple containers, in order to allow communication with each other, you must create a_____________ of type _____________.

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Q: 13

Fill in the blanks to describe the concepts of extending DevOps practices to the network for NetDevOps. NetDevOps builds and manages networks as a system that enables network services to be consumed in a DevOps approach. Organizations practicing NetDevOps see changes in the__________ as routine and expected activities, with a well-defined and practiced process for_____________, testing, and _____________ network changes. By making them routine, network changes can be small and simple.

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Q: 14

DRAG DROP Refer to the Exhibit. Drag and drop the code snippets from the bottom onto the boxes in the code in the Ansible playbook to restart multiple services in the correct sequence Not all options are used

Drag & Drop
Q: 15

DRAG DROP Refer to the Exhibit. Drag and drop the steps in Garter’s public cloud management framework from the left into the order on the right.

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Drag & Drop
Q: 16
When static routes are added to a router in a network using a CI/CD pipeline, an Ansible playbook is used to make these changes. Which steps must be added to the pipeline to validate that the changes have the intended effect on the traffic flow?
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Q: 17
Refer to the exhibit. 300-910 question 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?
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Q: 18
An IT team plans to deploy a new service built on top of an existing service. The capacity needed for the new service is difficult to estimate because the demand for the new service is undetermined. The team has these deployment requirements: • A subset of the users of the original service must be migrated to the new service based on their profile • The new service must be rolled back easily if capacity exceeds estimates Which deployment strategy must be used?
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Q: 19
DRAG DROP Drag and drop the code from the bottom onto the box where the code is missing to create a Terraform configuration that builds the network environment for a multitier software application. More EPG, Contract, and Filter definitions have been removed from the code. 300-910 question
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Q: 20
A new version of an application is being released by creating a separate instance of the application that is running the new code. Only a small portion of the user base will be directed to the new instance until that version has been proven stable. Which deployment strategy is this example of?
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