[Nov 09, 2023] 100% Real & Accurate 300-910 Questions with Free and Fast Updates
Self-Study Guide for Becoming an Implementing DevOps Solutions and Practices using Cisco Platforms Expert
NEW QUESTION # 34
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 # 35
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. Restructuring and monitoring tests must be run before it is promoted to production
- B. Functional and nonfunctional tests must be run before it is promoted to production
- C. Functional and nonfunctional tests must be run after it is promoted to production
- D. Restructuring and monitoring tests must be run after it is promoted to production
Answer: B
Explanation:
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.
NEW QUESTION # 36
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.)
- A. change management process
- B. requirement gathering
- C. rollback plans
- D. new code scanning
- E. performing code reviews
Answer: A,E
Explanation:
Section: Security
NEW QUESTION # 37
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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.
Answer:
Explanation:
NEW QUESTION # 38
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.
Answer:
Explanation:
NEW QUESTION # 39
As a department starts following NetDevOps principles, how should the network monitoring strategy be updated to provide more visibility into the user experience?
- A. Update tools to pull or stream monitoring metrics from APIs instead of using legacy protocols
- B. Leverage machine learning tools to more quickly identify problems m syslog and SNMP data
- 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: A
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 # 40
Refer to the exhibit.
A developer needs to scale the existing pods within the worked nodes. Which object should be edited to achieve this goal?
- A. Pod
- B. ReplicaSet
- C. PriorityClass
- D. Deployment
Answer: B
NEW QUESTION # 41
Refer to the exhibit.
The JSON object represents a single entry on a centralized log server, but log data cannot be processed because of the format.
What causes the issue?
- A. The process name in the message must be parsed into a field
- B. The "_type" must represent the process type
- C. The priority of the message must be to the server
- D. A hostgroup must be defined
Answer: B
NEW QUESTION # 42
Refer to the exhibit.
What is the reason for this error message?
- A. The requests module is not installed.
- B. The required dependencies for the requests module are not installed.
- C. The required dependencies for the urllib3 module are not installed.
- D. The site-packages directory has been corrupted.
Answer: B
NEW QUESTION # 43
What are two advantages of using Configuration Management Tools? (Choose two.)
- A. reduction in administration costs
- B. reduction in networking team skills
- C. reduction of on-premises networking equipment
- D. reduction in policy violations caused by human errors
- E. reduction in network changes already performed automatically
Answer: A,D
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.
NEW QUESTION # 44
Refer to the exhibit.
The push_configs.yml playbook returns the error shown.
Which action resolves the error?
- A. Comment out the StrictHostKeyChecking=yes line from ansible.cfg
- B. Generate a new SSH key pair and add the public key to the target machine
- C. Install the Paramiko library on the host that runs Ansible
- D. Export the ANSIBLE_HOST_KEY_CHECKING=False variable
Answer: A
NEW QUESTION # 45
Which Kubernetes object ensures that each node is limited to running no more than one pod?
- A. ReplicaSet
- B. DaemonSet
- C. UniCast
- D. Deployment
Answer: B
NEW QUESTION # 46
To make logging searches more efficient and useful in Kibana, an Administrator wants to implement index patterns around the hostname of some software systems. Where should this be configured?
- A. Create a time filter on Kibana to look at time only.
- B. Create an index pattern in Kibana.
- C. Configure a new JSON object in Kibana.
- D. Create a search index in Logstash.
Answer: B
Explanation:
Section: Logging, Monitoring, and Metrics
NEW QUESTION # 47
The E-commerce application is being monitored using AppDynamics. AppDynamics has noticed that the application response has degraded and has identified some thread contention that might be the cause of the delays.
Where in the interface does AppDynamics bring this to your attention?
- A. Potential Issues section of an individual transaction
- B. Code Deadlock section of the Event List
- C. Slow Calls and Errors tab of the application
- D. Transaction Score graph of a business transaction
Answer: A
NEW QUESTION # 48
What is the purpose of using sysprep when developing a Microsoft Windows-based golden image process?
- A. prepares a new host to accept a hard drive image built on another machine
- B. removes all host-specific information and components from the local machine
- C. writes the local hard drive image to an ISO file that can be deployed to another machine
- D. installs all the latest security patches and OS updates to the local machine
Answer: B
NEW QUESTION # 49
Which method is a safe way to provide a username/password combination to an application running as a service in a Docker container?
- A. Docker secrets
- B. as an environment variable in the Dockerfile
- C. Docker environment variable
- D. encode the value with base64 in a secure DNS CTEXT entry
Answer: A
Explanation:
Explanation
a docker secret is a blob of data, such as a password, SSH private key, SSL certificate, or another piece of data that should not be transmitted over a network or stored unencrypted in a Dockerfile or in your application's source code
NEW QUESTION # 50
What is included in ansible playbook instructions?
- A. beginning state of component
- B. component dependencies
- C. machine dependencies
- D. end state of component
Answer: D
NEW QUESTION # 51
How does eliminating hardcoded or default passwords help to secure an environment?
- A. helps to manage passwords centrally
- B. helps penetration testing team to focus on other issues more efficiently
- C. helps by enforcing your password in a repository and storing it in a secure vault
- D. helps by removing back doors in your environments
Answer: C
Explanation:
https://www.beyondtrust.com/resources/glossary/hardcoded-embedded-passwords
NEW QUESTION # 52
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-passive
- B. active-active
- C. active
- D. passive
Answer: A
Explanation:
Section: Cloud and Multicloud
NEW QUESTION # 53
Which description of a canary deployment is true?
- A. deployment to a limited set of servers or users
- B. deployment that is rolled back automatically after a configurable amount of minutes
- C. deployment relating to data mining development
- D. deployment by accident
Answer: A
Explanation:
Section: CI/CD Pipeline
NEW QUESTION # 54
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?
- A. Add dast to the repository to block the secrets
- B. Add a unit test to block the secrets
- C. Add a job in the CI build to block the secrets
- D. Add a precommit Git hook to block the secrets
Answer: B
NEW QUESTION # 55
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_data)
- B. respone= request.post(url. json=json.loads(json_data)
- C. respone= request.post(url. data=json_data)
- D. respone= request.post(url, data=json=(json_data)
Answer: C
NEW QUESTION # 56
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. metrics and monitoring
- C. credentials management
- D. hardware maintenance
Answer: C
NEW QUESTION # 57
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