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Cisco 300-910 exam is a certification exam that evaluates a candidate’s knowledge and skills in implementing DevOps solutions and practices using Cisco platforms. 300-910 exam is designed for professionals who are interested in gaining skills that can help them automate and optimize their IT operations using DevOps methodologies. Successful completion of 300-910 exam leads to the award of the Cisco Certified DevNet Specialist – DevOps certification.
Cisco 300-910 exam is a certification exam designed for IT professionals who are interested in gaining knowledge and skills in implementing DevOps solutions and practices using Cisco platforms. 300-910 exam covers various topics such as CI/CD pipelines, automation tools, IaC, containerization, and application deployment on Cisco platforms. Successful completion of the exam will earn the candidate the Cisco Certified DevNet Specialist - DevOps certification, which is highly sought after in the IT industry.
NEW QUESTION # 74
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 fmt
- B. terraform check
- C. terraform plan
- D. terraform validate
Answer: D
NEW QUESTION # 75
Which two statements about Infrastructure as Code are true? (Choose two.)
- A. Infrastructure as Code must use the same programming language as the application.
- B. DevOps builds upon Infrastructure as Code.
- C. Infrastructure as Code is based on practices from software development.
- D. Test-driven development practices make use of Infrastructure as Code.
- E. Infrastructure as Code refers to automated testing libraries.
Answer: B,C
Explanation:
Explanation
(IaC) is a practice that allows for the automation of infrastructure configuration and deployment, allowing DevOps teams to deploy and manage infrastructure with the same release pipelines and versioning as source code [1]. IaC is based on practices from software development, and promotes the use of automation and repeatable processes to ensure consistency of deployments.
NEW QUESTION # 76 
Refer to the exhibit. What is causing the requests code to fail?
- A. The requests library is not imported.
- B. Rython3 is not compatible with requests.
- C. The requests coming into stdin fail because device_ip cannot be parsed.
- D. The requests library is not installed.
Answer: A
Explanation:
Section: CI/CD Pipeline
Explanation/Reference:
NEW QUESTION # 77
Refer to the Exhibit.
The IaC configuration for an application is being deployed using a CI/CD pipeline. Drag and drop the steps for this pipeline from the left into the correct order that they would be executed on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 78
How does eliminating hardcoded or default passwords help to secure an environment?
- A. helps by removing back doors in your environments
- B. helps penetration testing team to focus on other issues more efficiently
- C. helps to manage passwords centrally
- D. helps by enforcing your password in a repository and storing it in a secure vault
Answer: D
Explanation:
Explanation
https://www.beyondtrust.com/resources/glossary/hardcoded-embedded-passwords
NEW QUESTION # 79
Refer to the Exhibit.
Refer to the exhibit A DevOps engineer must deploy two microservices The deployment must be installed in a new Kubernetes cluster. The microservices currently run in Docker and are managed by using the provided docker-compose yml file Drag and drop the steps from the left into order on the right to successfully deploy the microservices
Answer:
Explanation:
NEW QUESTION # 80
Refer to the exhibit.
Which CI solution uses this file?
- A. GitLab CI
- B. Drone
- C. Travis CI
- D. Jentans
Answer: B
NEW QUESTION # 81
As a department starts following NetDevOps principles, how should the network monitoring strategy be updated to provide more visibility into the user experience?
- A. Leverage machine learning tools to more quickly identify problems m syslog and SNMP data
- B. Update tools to pull or stream monitoring metrics from APIs instead of using legacy protocols
- C. Identify and capture the key performance indicators that describe the state of the network
- D. Identify and fix network issues faster by leveraging streaming telemetry from network devices
Answer: B
Explanation:
Explanation
Updating tools to pull or stream monitoring metrics from APIs instead of using legacy protocols is an important part of a NetDevOps strategy, as it allows for more efficient and automated data collection, as well as better visibility into the user experience. APIs for network monitoring are becoming increasingly common, as they allow for a more direct connection to the devices themselves, and can provide access to more detailed and specific metrics. Cisco's DevOps Solutions and Practices Guide recommends leveraging APIs to monitor the user experience, as they can provide access to more specific metrics and can be integrated with other monitoring tools.
NEW QUESTION # 82
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, data=json=(json_data)
- B. respone= request.post(url. json=json_data)
- C. respone= request.post(url. data=json_data)
- D. respone= request.post(url. json=json.loads(json_data)
Answer: C
NEW QUESTION # 83
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. Travis CI
- C. pyATS
- D. Genie CLI
Answer: B
NEW QUESTION # 84
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. microservices count
- B. CPU frequency
- C. application feature sprawl
- D. CPU average usage
- E. CPU peak usage
Answer: D,E
NEW QUESTION # 85
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. EXPOSE 8080
- B. FIREWALL ADD-PORT 8080
- C. PORT 8080
- D. OPEN PORT 8080
Answer: A
NEW QUESTION # 86
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 volume is created with errors.
- B. The volume is not created.
- C. The default path is not used.
- D. The volume is created.
Answer: B
Explanation:
Explanation
If a wrong ConfigMap key is specified, the volume will not be created since the ConfigMap key must match the name of the item specified in the volumes.configMap.items field.
NEW QUESTION # 87
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. Travis CI
- C. Genie CLI
- D. Jenkins
Answer: D
Explanation:
Section: CI/CD Pipeline
NEW QUESTION # 88
Drag and drop the tools from the left onto the tools function on the right Not all options are used.
Answer:
Explanation:
NEW QUESTION # 89
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.
Answer:
Explanation:
NEW QUESTION # 90
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']
- B. show_ip_int_brief['stdout_lines'][0][1:]
- C. show_ip_int_brief['stdout_lines'][1:]
- D. show_ip_int_brief['stdout_lines'][0]
Answer: B
Explanation:
---
show_ip_int_brief["~stdout_lines'][0][1:]
---
stdout_lines - nested list,
[0], first element of above nested list (extract of all header + interfaces, coma separated for individual elements),
[1:] - 2nd, 3rd, 4th line of the above sub-list.
NEW QUESTION # 91
What is as responsibility for teams running private cloud servers that is less of a concern when running in the public cloud?
- A. cost
- B. credentials management
- C. metrics and monitoring
- D. hardware maintenance
Answer: B
NEW QUESTION # 92
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Cisco 300-910 exam covers a wide range of topics related to DevOps practices, including automation, configuration management, continuous integration and delivery, monitoring, and collaboration. 300-910 exam also covers the use of Cisco platforms and technologies such as Cisco ACI, Cisco UCS, and Cisco CloudCenter. Passing 300-910 exam demonstrates that an individual has the skills and knowledge required to implement DevOps practices using Cisco platforms, which is highly valuable in today's IT industry.
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