300-910練習テスト問題解答には更新された130問があります
300-910問題集はCisco Certified DevNet Professional合格確定させる練習で130問があります
質問 # 55
An IT team at a SaaS company has this Cl/CD pipeline
Developers push code to the central repository by using Git.
The code is packaged and sent by an automated process to the staging environment where the tests are executed again automatically If the automated tests pass in staging the code is pushed to production Which change improves the Cl/CD pipeline?
- A. The developers run the unit tests manually instead of the QA team
- B. QA must also run the tests manually in the staging environment
- C. Operations must test in another environment before production
- D. Run unit tests before build and stage testing
正解：D
質問 # 56
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?
- A. respone= request.post(url. json=json.loads(json_data)
- B. respone= request.post(url, data=json=(json_data)
- C. respone= request.post(url. json=json_data)
- D. respone= request.post(url. data=json_data)
正解：D
質問 # 57
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?
- A. Scale out the node horizontally
- B. Drill down to investigate and identify the errors
- C. Log in to the node directly and investigate the errors by reviewing log files
- D. Rewrite the SQL query identified in the transaction to be more efficient
正解：B
解説：
https://docs.appdynamics.com/appd/23.x/latest/en/application-monitoring/remote-services/monitor-databases
質問 # 58 
Drag and drop the scenarios from the left onto the cloud strategy categories on the right.
正解：
解説：
質問 # 59
What are two advantages of using Configuration Management Tools? (Choose two.)
- A. reduction in policy violations caused by human errors
- B. reduction in network changes already performed automatically
- C. reduction of on-premises networking equipment
- D. reduction in administration costs
- E. reduction in networking team skills
正解：A、D
解説：
Explanation
Configuration Management Tools allow for automated configuration of networking equipment, which helps to reduce human errors and the time and money needed to manage and configure the equipment. For example, Cisco Configuration Professional (CCP) is a configuration management tool that provides automated configuration, validation, and troubleshooting of network infrastructure devices. CCP enables administrators to configure and deploy network changes quickly and efficiently, while also reducing the costs associated with manual configuration and troubleshooting.
質問 # 60
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. Python YAML data libraries
- B. Jenkins
- C. Genie CLI
- D. Travis CI
正解：B
質問 # 61
What is a practice of infrastructure as code?
- A. Test, integrate, and deploy once a day
- B. Document as much as possible
- C. Configure the deployment consistently
- D. Use multiple version control systems
正解：C
質問 # 62
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
正解：
解説：
質問 # 63
Which two actions help limit the attack surface of your Docker container? (Choose two.)
- A. Use Kali Linux as a base image.
- B. Run only a single service in each container.
- C. Download images over HTTPS supporting sites.
- D. Use version tags for base images and dependencies.
- E. Run all services in a single image.
正解：C、D
解説：
Section: Packaging and Delivery of Applications
質問 # 64
A DevOps engineer has built a new container and must open port 8080 for intercontainer communication.
Which command must be added in a Dockerfile to accomplish this goal?
- A. PORT 8080
- B. OPEN PORT 8080
- C. FIREWALL ADD-PORT 8080
- D. EXPOSE 8080
正解：D
解説：
Section: Packaging and Delivery of Applications
質問 # 65
How does eliminating hardcoded or default passwords help to secure an environment?
- A. helps by enforcing your password in a repository and storing it in a secure vault
- B. helps penetration testing team to focus on other issues more efficiently
- C. helps by removing back doors in your environments
- D. helps to manage passwords centrally
正解：A
解説：
Explanation
https://www.beyondtrust.com/resources/glossary/hardcoded-embedded-passwords
質問 # 66
DRAG DROP
Construct an Ansible script to gather information about target routers and then use it to apply no ip redirects to every interface on each device. Drag and drop the code from the bottom onto the correct location in the exhibit to complete the tasks section of the Ansible playbook so that it accomplishes your goal.
Select and Place:
正解：
解説：
Section: Automating Infrastructure
質問 # 67
Drag and drop the commands from the bottom onto the correct Terraform code in the exhibit to push a network object to a Cisco ASA Firewall device.
正解：
解説：
質問 # 68
A user wants to deploy a new service to a Kubernetes cluster. Which two commands accomplish this goal?
(Choose two.)
- A. Install
- B. Create
- C. Deploy
- D. Apply
- E. Expose
正解：D、E
質問 # 69
An application has been designed based on microservices. The application is deployed on Kubernetes using multiple pods that share the same IP address. Each pod is responsible for a service in the application.
Which command validates the success of the application deployment?
- A. kubectl describe pods/
- B. kubectl rollout status deployment
- C. kubectl get pods -o wide -w
- D. kubectl rollout history deployment
正解：B
質問 # 70
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?
- A. Functional and nonfunctional tests must be run after it is promoted to production
- B. Functional and nonfunctional tests must be run before it is promoted to production
- C. Restructuring and monitoring tests must be run after it is promoted to production
- D. Restructuring and monitoring tests must be run before it is promoted to production
正解：B
解説：
According to Cisco's Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS) Study Manual, it is important to run functional and non-functional tests before promoting the application to production. This is essential in order to identify and address any issues that could cause code-based failures. Additionally, a pipeline should include automated tests that can be used to verify that processes are running correctly. By running these tests before promoting to production, you can ensure that any potential issues are identified and addressed before the application is released.
質問 # 71
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