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Implementing DevOps Solutions and Practices using Cisco Platforms (300-910 DEVOPS) : https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/devops-300-910.html

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The latest updated Cisco 300-910 Exam Practice Questions and Answers Online Practice Test is free to share from Lead4Pass (Q1-Q13)

QUESTION 1
A new version of an application is being released by creating a separate instance of the application that is running the
new code. Only a small portion of the user base will be directed to the new instance until that version has been proven
stable.
Which deployment strategy is this example of?
A. recreate
B. blue/green
C. rolling
D. canary
Correct Answer: D

QUESTION 2
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. hardware maintenance
D. credentials management
Correct Answer: D

QUESTION 3
Which method is a safe way to provide a username/password combination to an application running as a service in a
Docker container?
A. encode the value with base64 in a secure DNS CTEXT entry
B. as an environment variable in the Dockerfile
C. Docker environment variable
D. Docker secrets
Correct Answer: D

QUESTION 4
FILL BLANK
Fill in the blanks to complete the statement.
When creating multiple containers, in order to allow communication with each other, you must create a __________ of
type _________ .
Correct Answer: pod, volume

QUESTION 5

Refer to the exhibit. How should the Jenkins job be troubleshooted based on the error provided?
A. Verify what the responding file created.
B. Update pip.
C. Install dependencies.
D. Place the code in a container and run the job again.
Correct Answer: A

QUESTION 6
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. pyATS
C. Genie CLI
D. Travis CI
Correct Answer: D

QUESTION 7
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
Correct Answer: C

QUESTION 8
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. performing code reviews
B. requirement gathering
C. change management process
D. new code scanning
E. rollback plans
Correct Answer: AC

QUESTION 9
A DevOps engineer has built a container to host a web-server and it must run as an executable. Which command must
be configured in a Dockerfile to accomplish this goal?
A. ENTRYPOINT
B. ENTRYPOINT [“/usr/sbin/apache2ctl”, “-D”, “FOREGROUND”]
C. ENTRYPOINT [“BACKGROUND”, “-D”, “/usr/sbin/apache2ctl”]
D. ENTRYPOINT {usr/sbin/apache2ctl}
Correct Answer: B

QUESTION 10
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. Transaction Score graph of a business transaction
C. Code Deadlock section of the Event List
D. Slow Calls and Errors tab of the application
Correct Answer: A

QUESTION 11
Which step must be taken to enable centralized logging in a Kubernetes environment?
A. No steps need to be taken. The master node automatically aggregates logs from all worker nodes and stores them
on the specified persistent volume.
B. Create a CustomResourceDefinition in each deployment that specifies the IP or names the log collector.
C. Deploy a sidecar node that aggregates logs from the entire cluster.
D. Create a DaemonSet that deploys a container with a logging agent on every node in the cluster.
Correct Answer: C

QUESTION 12
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.
Correct Answer: C

QUESTION 13
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 type. If it does not modify the device on the second run, then the interface is correctly configured.
B. Automated testing is already built-in because the playbook execution is successful only after Ansible validates that it
applied the change.
C. Add a pipeline step that captures and parses the packet flow for the interface.
D. Add a pipeline step that captures and parses the show IP interface output so that the operational state can be
referenced.
Correct Answer: B

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