300-910 practice test

1. Question 1 · 1

   DRAG DROP - 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. Select and Place:

   Arrange the options in the correct order.

   

   • Integration test of the most recent configurations is performed.
   • The CI tool is notified of an update.
   • The code repository is updated by a user.
   • The pipeline notifies the repository to run tests.
   • The configuration changes are pushed to devices.

2. Question 2 · 1

   Refer to the exhibit. What is causing the requests code to fail?

   Choose one answer.

   

   • Rython3 is not compatible with requests.
   • The requests library is not imported.
   • The requests library is not installed.
   • The requests coming into stdin fail because device_ip cannot be parsed.

3. Question 3 · 1

   An application has been designed based on microservices. The application is deployed on Kubernetes using multiple pods that share the same IP address. Each pod is responsible for a service in the application. Which command validates the success of the application deployment?

   Choose one answer.

   • kubectl get pods -o wide -w
   • kubectl rollout status deployment
   • kubectl describe pods/
   • kubectl rollout history deployment

4. Question 4 · 1

   A developer is creating an application based on microservices. The application will be used as a central repository for all company's documents. One of the microservices in the application will perform image processing. This microservice must autoscale to meet the current load and avoid down time. Which metric must be used to trigger autoscaling events?

   Choose one answer.

   • network
   • CPU/GPU
   • disk I/O
   • memory

5. Question 5 · 1

   DRAG DROP - Drag and drop the scenarios from the left onto the cloud strategy categories on the right.

   Match each destination with an option.

   

   Build

   • • The company handles customer information in several geographies and must ensure that the information is stored in specific countries.
   • • The IT team must provision and scale a database that hosts customer information by using APIs, without having to worry about security patching.
   • • The IT team must fine-tune the operations of databases and servers to match the geographical information systems' development.
   • • The IT team must develop a system that uses databases, serverless technology, and machine learning algorithms for a proof of concept within a month.

   Build

   • • The company handles customer information in several geographies and must ensure that the information is stored in specific countries.
   • • The IT team must provision and scale a database that hosts customer information by using APIs, without having to worry about security patching.
   • • The IT team must fine-tune the operations of databases and servers to match the geographical information systems' development.
   • • The IT team must develop a system that uses databases, serverless technology, and machine learning algorithms for a proof of concept within a month.

   Build

   • • The company handles customer information in several geographies and must ensure that the information is stored in specific countries.
   • • The IT team must provision and scale a database that hosts customer information by using APIs, without having to worry about security patching.
   • • The IT team must fine-tune the operations of databases and servers to match the geographical information systems' development.
   • • The IT team must develop a system that uses databases, serverless technology, and machine learning algorithms for a proof of concept within a month.

   Build

   • • The company handles customer information in several geographies and must ensure that the information is stored in specific countries.
   • • The IT team must provision and scale a database that hosts customer information by using APIs, without having to worry about security patching.
   • • The IT team must fine-tune the operations of databases and servers to match the geographical information systems' development.
   • • The IT team must develop a system that uses databases, serverless technology, and machine learning algorithms for a proof of concept within a month.

6. Question 6 · 1

   What is the purpose of using sysprep when developing a Microsoft Windows-based golden image process?

   Choose one answer.

   • prepares a new host to accept a hard drive image built on another machine
   • removes all host-specific information and components from the local machine
   • installs all the latest security patches and OS updates to the local machine
   • writes the local hard drive image to an ISO file that can be deployed to another machine

7. Question 7 · 1

   An IT department needs to deploy a new application named ‘Entfin434772390’ across the entire enterprise. The deployment must gradually transfer user traffic from an on older and nearly identical version of the application named ‘Entfin02754932l’. Both versions of the application are running in the production environment. Which release strategy should be used by the IT department?

   Choose one answer.

   • agile
   • canary
   • rollbacks
   • blue/green

8. Question 8 · 1

   DRAG DROP - Drag and drop the code from the bottom onto the box where the code is missing to post a message to a Cisco Webex space. Not all options are used.

   Match each destination with an option.

   

   header key

   • • messages
   • • data
   • • toPersonEmail
   • • rooms
   • • Authorization
   • • attachments
   • • Content

   GET URL path

   • • messages
   • • data
   • • toPersonEmail
   • • rooms
   • • Authorization
   • • attachments
   • • Content

   POST URL path

   • • messages
   • • data
   • • toPersonEmail
   • • rooms
   • • Authorization
   • • attachments
   • • Content

   request body key

   • • messages
   • • data
   • • toPersonEmail
   • • rooms
   • • Authorization
   • • attachments
   • • Content

9. Question 9 · 1

   DRAG DROP - Drag and drop the tools from the left onto the tool's function on the right. Not all options are used.

   Match each destination with an option.

   

   developer collaboration

   • • Git
   • • GitHub
   • • Jenkins
   • • Ansible
   • • Docker

   automated build and test

   • • Git
   • • GitHub
   • • Jenkins
   • • Ansible
   • • Docker

   configuration management

   • • Git
   • • GitHub
   • • Jenkins
   • • Ansible
   • • Docker

   version control

   • • Git
   • • GitHub
   • • Jenkins
   • • Ansible
   • • Docker

10. Question 10 · 1

    DRAG DROP - Drag and drop the operations from the left into the correct order on the right when using CI/CD, assuming that there are no failures or conflicts. Select and Place:

    Arrange the options in the correct order.

    

    • generating deliverables
    • starting of rolling deployment
    • developer commits
    • integration testing
    • unit testing
    • merging of commit into mainline

11. Question 11 · 1

    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?

    Choose one answer.

    

    • Rewrite the SQL query identified in the transaction to be more efficient
    • Log in to the node directly and investigate the errors by reviewing log files
    • Drill down to investigate and identify the errors
    • Scale out the node horizontally

12. Question 12 · 1

    Refer to the exhibit. A developer is creating a script to test APIs. The Cisco Webex API and a CI/CD pipeline are tested to ensure that the script runs without problems. The script is executed without issues locally, but the CI/CD system returns the error shown. What is the problem with the script?

    Choose one answer.

    

    • The CI/CD system is configured incorrectly to import the dependencies to the code
    • The code is pushed incorrectly to the CI/CD system
    • The version of Python is wrong in the CI/CD pipeline
    • The CI/CD system is configured incorrectly to download the required dependencies

13. Question 13 · 1

    A new banking application is being developed as the main currency exchange resource for all the customers on a global scale. The application must comply with the security based on the deployed region. Therefore, the CI/CD pipeline must be created with the highest security possible. Which approach accomplishes this goal?

    Choose one answer.

    • Give the accounts used in the CI/CD pipeline full administrative rights to all applications
    • Use the same passwords across the entire CI/CD pipeline
    • Ensure that secrets are not inadvertently passed on during builds for pull requests via CI/CD pipeline
    • Never use one-time passwords in CI/CD pipeline

14. Question 14 · 1

    An IT team plans to deploy a new service built on top of an existing service. The capacity needed for the new service is difficult to estimate because the demand for the new service is undetermined. The team has these deployment requirements: • A subset of the users of the original service must be migrated to the new service based on their profile • The new service must be rolled back easily if capacity exceeds estimates Which deployment strategy must be used?

    Choose one answer.

    • rolling
    • blue/green
    • geolocation
    • canary

15. Question 15 · 1

    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?

    Choose one answer.

    • Ansible
    • pyATS
    • Genie CLI
    • Travis CI

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