Cisco 350-901 Online Practice Questions and Exam Preparation

Cisco 350-901 Online Questions & Answers

• Question 501:

  Which database type should be used to store data received from model-driven telemetry?

  A. BigQuery database
  B. Time series database
  C. NoSQL database
  D. PostgreSQL database
  B. Time series database

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  Explanation

• Question 502:

  What is a benefit of using model-driven telemetry?

  A. enables operational data to be collected at higher rates and a higher scale
  B. enables the application to pull data faster than pushing the data
  C. reduces the load on the server by enabling the client to pull data
  D. simplifies the development of clients by using a single encoding standard for the data
  A. enables operational data to be collected at higher rates and a higher scale

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  Explanation

• Question 503:

  Which solution is used to manage automatic dependencies on a Cisco NCS device using Cisco IOS XR Software?

  A. peer code reviews
  B. CI/CD pipelines
  C. flexible packaging
  D. automated deployments
  C. flexible packaging

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  Explanation

• Question 504:

  An organization manages a large cloud-deployed application that employs a microservices architecture. No notable issues occur with downtime because the services of this application are redundantly deployed over three or more data center regions. However, several times a week reports are received about application slowness. The container orchestration logs show faults in a variety of containers that cause them to fail and then spin up brand new.

  Which action must be taken to improve the resiliency design of the application while maintaining current scale?

  A. Update the base image of the containers.
  B. Test the execution of the application with another cloud services platform.
  C. Increase the number of containers running per service.
  D. Add consistent "try/catch(exception)" clauses to the code.
  D. Add consistent "try/catch(exception)" clauses to the code.

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  Explanation

• Question 505:

  Refer to the exhibit.

  

  The Python code manages a Cisco CSR 1000V router.

  Which code snippet must be placed in the blank in the code to change the description of the GigabitEthemet2 interface to Service 2 uplink?

  

  A. Option A
  B. Option B
  C. Option C
  D. Option D
  A. Option A

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  Explanation

• Question 506:

  A developer is developing a microservices code to manage REST API errors. Which two approaches must the developer take to manage the HTTP 429 "Too Many Requests" status code in the microservices code? (Choose two.)

  A. Implement subsequent retry with the same interval window.
  B. Resend the request immediately without implementing a wait time.
  C. Consecutive retries should truncate exponential backup.
  D. Throw an exception in the application code.
  E. Return errors in the response code.
  A. Implement subsequent retry with the same interval window.
  C. Consecutive retries should truncate exponential backup.

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  Explanation

• Question 507:

  Refer to the exhibit.

  

  The cisco_devnet Docker swarm service runs across five replicas.

  The development team tags and imports a new image named devnet'test 1 1 and requests that the image be upgraded on each container.

  There must be no service outages during the upgrade process.

  Which two design approaches must be used? (Choose two.)

  A. Implement rolling upgrades by using the docker service update command.
  B. Enable parallel upgrades by using the docker service update command.
  C. Ensure that the service is hosted behind a VIP with no session persistence.
  D. Update the restart policy of the containers to restart upon failure.
  E. Ensure that the service replicas are set to a minimum of 5.
  A. Implement rolling upgrades by using the docker service update command.
  C. Ensure that the service is hosted behind a VIP with no session persistence.

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  Explanation

• Question 508:

  A developer must meet these requirements:

  1. Support the provisioning of up to 500 new virtual machines into private data centers or the public cloud.

  2. Ensure that the configuration of 400 existing virtual machines is kept in sync and can be updated on-demand.

  3. Support specifying a list of instructions or steps that must be performed in a precise order to configure a virtual machine.

  Which configuration management solution must the developer use?

  A. Ansible
  B. Docker
  C. Puppet
  D. Terraform
  A. Ansible

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  Explanation

• Question 509:

  DRAG DROP

  Drag and drop the steps from the left into the order on the right to provide a custom dashboard to display the version of code that is installed in a network subnet using the Cisco DNA Center API.

  Select and Place:

  

  

  Explanation

  Explanation/Reference:

• Question 510:

  DRAG DROP

  Drag and drop the code snippets from the bottom onto the blanks in the code to disable X11Forwarding on the SSH service of a CentOS server. Not all options are used.

  Select and Place:

  

  

  Explanation

  Explanation/Reference: