The Replace Guide To 300-910 Free Practice Exam

NEW QUESTION 1
What are two benefits of Infrastructure as Code? (Choose two.)

• A. It enables continuous integration.
• B. It allows for management control.
• C. It ensures consistency.
• D. It improves application monitoring.
• E. It reduces risk.

Answer: CE

NEW QUESTION 2
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?

• A. active
• B. passive
• C. active-passive
• D. active-active

Answer: C

NEW QUESTION 3

Refer to the exhibit. The exhibit shows the output of an Ansible task that prints the contents of the show_ip_int_brief variable that was registered in a different task in the playbook. Which expression is used to print the output of the command without its header row?

• A. show_ip_int_brief[‘stdout_lines’][0]
• B. show_ip_int_brief[‘stdout_lines’][1:]
• C. show_ip_int_brief[‘stdout_lines’][0][1:]
• D. show_ip_int_brief[‘stdout_lines’]

Answer: B

NEW QUESTION 4
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

Answer: D

NEW QUESTION 5
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?

• A. Add a step to run the debug ip routing command before the change, and add a step after the change to issue the no debug ip routing command.
• B. Add a step to capture the routing table before the change, and add a step after the change to capture it agai
• C. Calculate the difference between the two for review.
• D. Add a step to ping a host on each of the static routes before the change, and a step after to repeat the same chec
• E. Calculate the difference between the two checks for review.
• F. Add a step to run the same playbook again with the debug option enabled and use grep on the log output to ensure that the commands are not applied again.

Answer: B

NEW QUESTION 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?

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

Answer: B

NEW QUESTION 7
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?

• A. The default path is not used.
• B. The volume is not created.
• C. The volume is created.
• D. The volume is created with errors.

Answer: A

NEW QUESTION 8
Which two elements help to secure your API keys? (Choose two.)

• A. ramdomness
• B. SHA1
• C. triple AES
• D. rotation
• E. dictionary

Answer: AC

NEW QUESTION 9
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?

• A. Check to make sure Nginx is running.
• B. Check for response times in Nginx logs.
• C. Check to make sure the web API response is coming back in JSON.
• D. Check the size of the database that the application is using.

Answer: B

NEW QUESTION 10
Which Kubernetes object is used to create a ClusterIP or NodePort?

• A. service
• B. pod
• C. deployment
• D. loadbalancer

Answer: A

NEW QUESTION 11
Which type of security testing should be performed as a part of a CI/CD pipeline by analyzing the source code itself without compiling the code into a running executable?

• A. Dynamic Application Security Testing
• B. Runtime Application Health-Protection
• C. Continuous Application Security Testing
• D. Static Analysis Security Testing

Answer: D

NEW QUESTION 12
A DevOps engineer must validate the working state of the network before implementing a CI/CD pipeline model. Which configuration management tool is designed to accomplish this?

• A. Jenkins
• B. Genie CLI
• C. Travis CI
• D. Python YAML data libraries

Answer: A

NEW QUESTION 13
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

Answer: D

NEW QUESTION 14
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

Answer: C

NEW QUESTION 15

Refer to the exhibit. What is the user doing with Drone in this automated test?

• A. testing Alpine Linux versus Ubuntu Linux
• B. testing a PostgreSQL DB against multiple architectures
• C. testing only the amd64 architecture
• D. testing PostgreSQL deployment in an Alpine Linux VM

Answer: D

NEW QUESTION 16
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

Answer: BC

NEW QUESTION 17
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

Answer: BC

NEW QUESTION 18
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