All About Best Quality 300-910 Test Engine

NEW QUESTION 1
When DevOps practices are integrated into an existing organization, which two characteristics are positive indicators of DevOps maturity? (Choose two.)

• A. mean time between success
• B. mean time to recover
• C. cone testing
• D. change lead time
• E. age of codebase

Answer: BD

NEW QUESTION 2
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 3
What is chaos engineering?

• A. designing an application with fuzzy logic that makes it hard to predict
• B. a product engineering approach that lacks a formal methodology
• C. splitting a project between teams that do not communicate with each other
• D. introducing problems into a system to study behavior and improve reliability

Answer: D

NEW QUESTION 4
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 5
AppDynamics is being used to monitor your distributed Python application. Each individual container of the application is instrumented with an AppD agent. Which two configuration variables uniquely determine the module being monitored? (Choose two.)

• A. node
• B. app
• C. agent
• D. tier
• E. event

Answer: AB

NEW QUESTION 6
An interface on a router as a Layer 3 link has been configured to another device by updating an Ansible playbook that is executed via a CI/CD pipeline. The Ansible playbook was written to push the configuration change using the ios_config module. Which automated test validates that the interface is functioning as it should?

• A. Add a pipeline step that runs the playbook a second typ
• B. If it does not modify the device on the second run, then the interface is correctly configured.
• C. Automated testing is already built in because the playbook execution is successful only after Ansible validates that it applied the change.
• D. Add a pipeline step that captures and parses the packet flow for the interface.
• E. Add a pipeline step that captures and parses the show ip interface output so that the operational state can be referenced.

Answer: B

NEW QUESTION 7
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 8
What are two advantages of using Configuration Management Tools? (Choose two.)

• A. reduction in policy violations caused by human errors
• B. reduction in administration costs
• C. reduction in network changes already performed automatically
• D. reduction of on-premises networking equipment
• E. reduction in networking team skills

Answer: BC

NEW QUESTION 9
Which description of a canary deployment is true?

• A. deployment by accident
• B. deployment that is rolled back automatically after a configurable amount of minutes
• C. deployment relating to data mining development
• D. deployment to a limited set of servers or users

Answer: D

NEW QUESTION 10
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 11
Configuration changes to the production network devices are performed by a CI/CD pipeline. The code repository and the CI tool are running on separate servers. Some configuration changes are pushed to the code repository, but the pipeline did not start.
Why did the pipeline fail to start?

• A. The CI server was not configured as a Git remote for the repository.
• B. The webhook call from the code repository did not reach the CI server.
• C. Configuration changes must be sent to the pipeline, which then updates the repository.
• D. The pipeline must be started manually after the code repository is updated.

Answer: C

NEW QUESTION 12

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 13
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 14
How long analysis systems such as Elasticsearch, Logstash, and Kibana Stack handle ingesting unstructured logs from different devices in various formats?

• A. All devices that generate syslogs must use agents that process the local logs and transmit them in a specific format to the ELK Stack.
• B. All logs are stored in their unstructured text format, and the ELK Stack performs data analysis by intelligently parsing the logs using machine learning algorithms.
• C. All different message formats are parsed separately using custom filters, and the resulting structured data is stored for later analysis.
• D. A single, comprehensive log format is defined on the ELK Stac
• E. All incoming logs, regardless of format, are transformed to match the comprehensive format, and only applicable fields are populated.

Answer: D

NEW QUESTION 15
A developer has created a deployment that should launch a pod to run their database service. The pod should launch with a metadata name of “Cisco-DB," and the developer has added it to the "Cisco" namespace in their deployment.
Which Kubernetes command confirms that the service is running and usable?

• A. kubectl -n Cisco get services | grep “Cisco-DB”
• B. kubectl -n Cisco get pods | grep “Cisco-DB”
• C. kubectl get pods | grep “Cisco-DB”
• D. kubectl -n Cisco get service | grep “Cisco-DB”

Answer: C

NEW QUESTION 16
Which two characteristics of a build tool that is used in an automated build pipeline? (Choose two.)

• A. It runs unit tests against code that is committed.
• B. It builds your software on the production environment.
• C. It builds your software when changes are committed.
• D. It builds your software every 500 milliseconds.
• E. It must have a plug-in for Puppet and Maven.

Answer: AC

NEW QUESTION 17

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 18
......