Cisco Cisco Certified DevNet Associate 200-901 Questions & Answers

• Question 111:

  Which API is used to change the configuration of a device group that contains Cisco Catalyst 9000 Series Switches?

  A. xAPI

  B. Cisco Finesse

  C. JTAPI

  D. Cisco IOS XE

  Correct Answer: D

• Question 112:

  Refer to the exhibit. The YANG module devnet-users shows a data model for user accounts. Which code snippet shows the XML representation of an instantiation of the YANG data model?

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: D

• Question 113:

  Which capability is used by Ansible to run a set of tasks when a property is changed?

  A. handlers

  B. playbooks

  C. roles

  D. tasks

  Correct Answer: A

  https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_handlers.html

• Question 114:

  A REST API service requires basic authentication. A user's credentials are "ned/33662255" and the Base64 encoding of the credentials is "a2lsbGE6NDU4ODI5". Which requirement must be met for a request to be authenticated?

  A. The header must include: Authorization: Basic a2lsbGE6NDU4ODI5

  B. The payload must include: Authorization: Basic a2lsbGE6NDU4ODI5

  C. The header must include: username: ned, password: 33662255

  D. The payload must include: username: ned, password: 33662255

  Correct Answer: A

• Question 115:

  Which tool simulates a network that runs Cisco equipment?

  A. Cisco Prime Infrastructure

  B. VMware

  C. Docker

  D. CML

  Correct Answer: D

  "With Cisco Modeling Labs, you can quickly and easily simulate Cisco and non-Cisco networks, using real Cisco images. This gives you highly reliable models for designing, testing, and troubleshooting."

  Source: https://www.cisco.com/c/en/us/products/cloud-systems-management/modeling-labs/index.html

• Question 116:

  Within a Bash shell, which command adds the current directory to the PATH without overwriting the current PATH for this shell and any subshells that are spawned from the current shell?

  A. export $PATH=PATH:$(pwd)

  B. set PATH=$PATH:${pwd}

  C. export PATH=$PATH:$(pwc1)

  D. set PATH=PATH+$(pwd)

  Correct Answer: A

• Question 117:

  What is a concept of test-driven development?

  A. Functions that validate the behavior of the product from the end user's perspective are written before any code is written.

  B. Business decision makers write tests to validate the product from the end user's perspective while the developer writes the code.

  C. One developer writes tests to validate the functionality of the code while another developer writes the code.

  D. Tests that validate the functionality of the code are written before any code is written.

  Correct Answer: D

• Question 118:

  Which two factors reduce the experience of an application? (Choose two.)

  A. source location

  B. traffic class

  C. packet loss

  D. network latency

  E. usage

  Correct Answer: CD

• Question 119:

  A development team is using a version control system that has a centralized workflow. Which feature of the version control system ensures the integrity of the central repository?

  A. central common code versioning backup

  B. built-in conflict resolution mechanism

  C. distributed nature of the version control system architecture

  D. tracked code changes of the developers

  Correct Answer: D

• Question 120:

  Refer to the exhibit.

  

  A developer is trying to collect data over RESTCONF API and prepares the request. The developer wants to get data in JSON format and with the IOS-XE-native model, but the request fails. Which HTTP part causes the failure?

  A. application value

  B. invalid URL

  C. missing URI header path

  D. incorrect request type

  Correct Answer: B

  interface not interfaces + 404 error