Cisco Cisco Certified DevNet Associate 200-901 Questions & Answers

• Question 531:

  A company wants to accelerate the adoption of technologies that will simplify its operations. Staff have different skill levels and are looking for a single site to find easy-to-consume beginner, intermediate, and advanced multidomain use

  cases.

  Which site should be used?

  A. DevNet Ecosystem Exchange

  B. DevNet Automation Exchange

  C. DevNet Creations

  D. DevNet Support Forum

  Correct Answer: B

  Fairly sure the correct answer is B. The automation exchange has a "use-case library" within with people share different code that they have made for various use-cases. They also have a filter which you can use to search for "walk", "run", or "fly" which sounds like it relates to the "beginner", "intermediate", and "advanced" that is referred to in this question

  https://developer.cisco.com/network-automation/listing/

• Question 532:

  Refer to the exhibit.

  A collaboration engineer has developed a script to automate the gathering of information by providing the email address of the individual. When the engineer tests the script, a 401 error is received. Which command fixes the script?

  

  A. Add "Authorization": "Bearer " to the headers.

  B. Add "Authentication": "Basic " in the base_url after "https://".

  C. Add ":@" in the base_url after "https://".

  D. Add "Authentication": "Bearer " to the headers.

  Correct Answer: A

• Question 533:

  What is a comparison of YAML and JSON?

  A. YAML has a more consistent approach to representing data compared to JSON.

  B. JSON does not support comments and YAML does.

  C. YAML is a more verbose data structure compared to JSON.

  D. JSON has more common usage in configuration management tools compared to YAML.

  Correct Answer: B

  Can I use comments in JSON? No, JSON is a data-only format. Comments in the form //, #, or /* */, which are used in popular programming languages, are not allowed in JSON. You can add comments to JSON as custom JSON elements that will hold your comments, but these elements will still be data.

  Reference: https://stackoverflow.com/questions/244777/can-comments-be-used-in-json

• Question 534:

  Refer to the exhibit. What does the command marked (2) do when it is run?

  

  A. It duplicates the "test" branch.

  B. It deletes the "test" branch only if a new branch is created.

  C. It deletes the "test" branch.

  D. It does not delete the branch until it is merged.

  Correct Answer: C

• Question 535:

  What is a benefit of version control?

  A. prevents two users from working on the same file

  B. keeps track of all changes to the files

  C. prevents the sharing of files

  D. keeps the list of data types used in the files

  Correct Answer: B

  https://www.atlassian.com/git/tutorials/what-is-version-control#:~:text=non%2Dsoftware%20projects.-,Benefits%20of%20version%20control%20systems,scales%20to%20include%20more%20developers.

• Question 536:

  Refer to the exhibit. Which XML snippet has interface information that conforms to the YANG model?

  

  

  A. Option A

  B. Option B

  C. Option C

  D. Option D

  Correct Answer: A

• Question 537:

  Which protocol runs over TCP port 23?

  A. SSH

  B. NETCONF

  C. HTTP

  D. Telnet

  Correct Answer: D

• Question 538:

  What are two properties of private IP addresses? (Choose two.)

  A. They can be used to access the Internet directly.

  B. They are more secure than public IP addresses.

  C. They are not globally unique.

  D. They can be repeated within the same local network.

  E. They are controlled globally by an IP address registry.

  Correct Answer: BC

  B = Private addresses cannot be accessed directly from the Internet since they are behind a NAT'd device. C = Private subnets can be used anywhere privately behind a NAT'd device.

• Question 539:

  FILL BLANK

  Fill in the blanks to complete the statement.

  Given a username of "devnet" and a password of "cisco123", applications must create a base64 encoding of the string "________________" when sending HTTP requests to an API that uses _______________ authentication.

  A. Check the answer in explanation.

  Correct Answer: A

  YWRtaW46Y2lzY28xMjM Basic

  Reference: https://www.cisco.com/c/en/us/td/docs/net_mgmt/elastic_services_controller/4-1/install/guide/Cisco-Elastic-Services-Controller-Install-Upgrade-Guide-4-1/Cisco-Elastic-Services-Controller-Install-Upgrade-Guide-30_chapter_01011.html

• Question 540:

  FILL BLANK

  Fill in the blanks to complete the statement.

  Cisco DNA Center provides the capability to send an HTTP _______________ request to the API endpoint https://DNA-C_API_ADDRESS/api/v1/network-device/and receive the network _______________ list in _______________ format.

  A. Check the answer in explanation.

  Correct Answer: A

  authentication parameter json