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NEW QUESTION # 62
Which interface is most commonly used to integrate logging, monitoring, and alerting applications into your CI/ CD pipeline?
- A. SNMP
- B. SSH
- C. REST
- D. AMQP
Answer: B
Explanation:
Section: Logging, Monitoring, and Metrics
NEW QUESTION # 63
Refer to the exhibit.
Which CI solution uses this file?
- A. GitLab CI
- B. Drone
- C. Jenkins
- D. Travis CI
Answer: B
Explanation:
Explanation
syntax for GitLab CI, Travis CI & Jenkins are "stage...", while Drone use "steps..." Here are the configuration files I referred https://docs.drone.io/pipeline/environment/syntax/
https://docs.gitlab.com/ee/ci/yaml/includes.html
https://blog.travis-ci.com/2019-05-30-setting-up-a-ci-cd-process-on-github
https://www.jenkins.io/doc/pipeline/examples/
NEW QUESTION # 64
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 not created.
- B. The default path is not used.
- C. The volume is created with errors.
- D. The volume is created.
Answer: B
Explanation:
Section: Packaging and Delivery of Applications
NEW QUESTION # 65
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. Rewrite the SQL query identified in the transaction to be more efficient
- B. Drill down to investigate and identify the errors
- C. Scale out the node horizontally
- D. Log in to the node directly and investigate the errors by reviewing log files
Answer: D
Explanation:
Explanation
https://docs.appdynamics.com/appd/23.x/latest/en/application-monitoring/remote-services/monitor-databases
NEW QUESTION # 66
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. Genie CLI
- B. Jenkins
- C. Travis CI
- D. Python YAML data libraries
Answer: A
Explanation:
Explanation
Genie CLI is a configuration management tool that is designed to validate the working state of the network before implementing a CI/CD pipeline model. Genie CLI provides a set of commands that can be used to check the state of the network, view logs, and make changes to network configurations. It is a powerful tool for validating the state of the network before making changes, and can help avoid costly mistakes or unexpected issues.
NEW QUESTION # 67
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 # 68
Refer to the exhibit.
The text represents a syslog message sent from a Linux server to a centralized log system.
Based on the format of the log message, how must the functionality of the log parser be extended to improve search capabilities?
- A. Configure the Linux machine to add a UID field to messages
- B. Reverse lookup the IP address to add a hostname field
- C. Convert the date to the time zone of the system
- D. Filter out the text of the message to speed up searches
Answer: B
NEW QUESTION # 69
Which step must be taken to enable centralized logging in a Kubernetes environment?
- A. Create a CustomResourceDefinition in each deployment that specifies the IP or names the log collector.
- B. Deploy a sidecar node that aggregates logs from the entire cluster.
- C. No steps need to be taken. The master node automatically aggregates logs from all worker nodes and stores them on the specified persistent volume.
- D. Create a DaemonSet that deploys a container with a logging agent on every node in the cluster.
Answer: D
Explanation:
Explanation
To enable centralized logging in a Kubernetes environment, you must create a DaemonSet that deploys a container with a logging agent on every node in the cluster. This allows all of the logs from each node to be collected in one place, allowing for easier analysis and management. Reference: Kubernetes Documentation, Logging Architecture.
NEW QUESTION # 70
What is an advantage of using configuration management tools to automate infrastructure services?
- A. eliminates the need for CI/CD tools
- B. integrates with container orchestration
- C. eliminates the need to run integration tests within the CI/CD pipeline
- D. provides high native monitoring of services
Answer: A
NEW QUESTION # 71
A company has a CI/CD pipeline implemented to automate application deployment. An urgent change is required in the production environment. A developer produces and tests the required change in the company's environment, but the pipeline fails when pushed.
Which action conforms to the rules of a CI/CD pipeline and enables the pipeline to pass?
- A. Manually deploy the change into the production environment
- B. Use a backup pipeline
- C. Replicate the production environment in the pipeline before applying
- D. Remove the failing test.
Answer: C
Explanation:
Explanation
This ensures that the change is applied in the same environment that it was tested in, and that the pipeline will pass. This is in accordance with the rule of a CI/CD pipeline that states that the same environment should be used for testing and deploying code into production. As stated in the Cisco Implementing DevOps Solutions and Practices using Cisco Platforms (DEVOPS) Study Manual, "the same environment should be used for testing and deploying code into production, or the pipeline will fail."
NEW QUESTION # 72
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. FIREWALL ADD-PORT 8080
- B. EXPOSE 8080
- C. OPEN PORT 8080
- D. PORT 8080
Answer: B
Explanation:
Section: Packaging and Delivery of Applications
NEW QUESTION # 73
How does eliminating hardcoded or default passwords help to secure an environment?
- A. helps by removing back doors in your environments
- B. helps by enforcing your password in a repository and storing it in a secure vault
- C. helps to manage passwords centrally
- D. helps penetration testing team to focus on other issues more efficiently
Answer: B
Explanation:
Section: Security
NEW QUESTION # 74
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. A hostgroup must be defined
- B. The "_type" must represent the process type
- C. The priority of the message must be to the server
- D. The process name in the message must be parsed into a field
Answer: D
NEW QUESTION # 75
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 search index in Logstash.
- B. Create an index pattern in Kibana.
- C. Create a time filter on Kibana to look at time only.
- D. Configure a new JSON object in Kibana.
Answer: B
Explanation:
Section: Logging, Monitoring, and Metrics
NEW QUESTION # 76
-
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 # 77
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The Cisco 300-910 certification exam consists of 60-70 questions that need to be answered within 90 minutes. The exam is computer-based and can be taken at any Pearson VUE testing center. The passing score for the exam is 825 out of 1000. Upon passing the exam, you will receive a certification that validates your skills and knowledge in implementing DevOps solutions using Cisco platforms.
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