Cisco Cisco Certified DevNet Professional 350-901 Questions & Answers

• Question 321:

  Refer to the exhibit.

  

  As part of the Ansible playbook workflow, several new interfaces are being configured using the netconf_config module. The task references the interface variables that are unique per device. In which directory is the YAML file with these variables found?

  A. host_vars directory

  B. home directory

  C. group_vars directory

  D. current working directory

  Correct Answer: A

  https://docs.ansible.com/ansible/latest/user_guide/intro_inventory.html#organizing-host- and-group-variables

• Question 322:

  Which two statements describe advantages of static code analysis over unit tests? (Choose two.)

  A. It checks for potential tainted data where input is not checked.

  B. It enforces proper coding standards and style.

  C. It performs a quick analysis of whether tests will pass or fail when run.

  D. It checks for race conditions in threaded applications.

  E. It estimates the performance of the code when run.

  Correct Answer: AB

• Question 323:

  Refer to the exhibits which show the documentation associated with the create port object API cafl in Cisco Firepower Threat Defense, and a cURL command. Which data payload completes the cURL command to run the APi call?

  

  A. B. C. D.

  Correct Answer: C

  Reference : https://developer.cisco.com/site/ftd-api- reference/#!editicmpv4portobject/path-parameters

• Question 324:

  Refer to the exhibit.

  

  An application has been developed to serve the users in an enterprise After HTTP cache controls are implemented m the application users report that they receive state data when they refresh the page Without removing HTTP cache controls, which change ensures that the users get current data when refreshing the page'

  A. Reduce the expire_after value to 60.

  B. Add a Cache-Control header that has a value of no-cache, no-store must-revalidate.

  C. Add an H-None-Match header that has a value of an Entity Tag.

  D. Add an Expires header that has a value of 0.

  Correct Answer: B

• Question 325:

  Refer to the exhibit.

  

  Which action will complete the workflow that represents how an API call sends multiple messages?

  A. {PUT} messages(roomID)

  B. {PUT} messages(BearerToken)

  C. {POST} messages(roomID)

  D. {POST} messages(BearerToken)

  Correct Answer: D

  Explanation: https://developer.webex.com/docs/api/v1/messages/create-a-message

• Question 326:

  Refer to the exhibit.

  

  Interface Lookback 1 must be created with IP address 10.30.0.1/24 in a Cisco IOS XE device using RESTCONF. The schema that is defined by the exhibit must be used. Which body and URI should be used for this operation?

  

  A. B. C. D.

  Correct Answer: A

• Question 327:

  A network operations team is using the cloud to automate some of their managed customer and branch locations. They require that all of their tooling be ephemeral by design and that the entire automation environment can be recreated without manual commands. Automation code and configuration state will be stored in git for change control and versioning. The engineering high-level plan is to use VMs in a cloud- provider environment then configure open source tooling onto these VMs to poll, test, and configure the remote devices, as well as deploy the tooling itself.

  Which configuration management and/or automation tooling is needed for this solution?

  A. Ansible

  B. Ansible and Terraform

  C. NSO

  D. Terraform

  E. Ansible and NSO

  Correct Answer: B

• Question 328:

  A developer must deploy a containerized application foe network device inventory management. The developer sets up a Kubernetes duster on two separate hypervisors. The SLA is not currently meeting a specified maximum value for network latencyjitter CPU/memory and disk I/O are functioning property. Which two design approaches resolve the issue'' (Choose two.)

  A. Colocate services in the same pod

  B. Replace the HDD drives with SSD drives

  C. Enable IPv6 within the duster

  D. Deploy the duster to a bare metal server

  E. Upgrade the server NIC card

  Correct Answer: AE

• Question 329:

  In the three-legged OAuth2 authorization workflow, which entity grants access to a protected resource?

  A. resource server

  B. resource owner

  C. client

  D. authorization server

  Correct Answer: A

• Question 330:

  A bot has been created, called "386231131", to respond to alarm messages. A developer is now creating a Webhook to allow the bot to respond to messages. Which format allows the Webhook to respond to messages for the bot within Webex Teams?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: C

  Reference : https://developer.webex.com/docs/bots