DevNet Associate (DEVASC) v1.0

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Exam contains 529 questions

Which two encoding formats do YANG interfaces support? (Choose two.)

  • A. XML
  • B. JSON
  • C. XHTML
  • D. BER
  • E. plain text


Answer : AB

Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/171/b_171_programmability_cg/model_driven_telemetry.html

Refer to the exhibit.

The JSON data in the exhibit has been parsed and stored into a variable `data`. What returns the value `172.16.0.11`?

  • A. data[ג€˜itemsג€™][ג€˜hostג€™][ג€˜valueג€™]
  • B. data[ג€˜itemsג€™][1][ג€˜hostג€™][ג€˜valueג€™]
  • C. data[ג€˜itemsג€™][0][ג€˜hostג€™][ג€˜valueג€™]
  • D. data[ג€˜itemsג€™][ג€˜hostג€™][1]


Answer : C

Refer to the exhibit.

What does the Python function do?

  • A. It returns HTTP Basic Authentication.
  • B. It returns DNAC user and password.
  • C. It reads a token from a local JSON file and posts the token to the DNAC URL.
  • D. It returns an authorization token.


Answer : A

Reference:
https://community.cisco.com/t5/cisco-digital-network/how-can-i-make-this-script-to-run/td-p/3882782

Package updates from a local server fail to download. However, the same updates work when a much slower external repository is used. Why are local updates failing?

  • A. The server is running out of disk space.
  • B. The Internet connection is too slow.
  • C. The Internet is down at the moment, which causes the local server to not be able to respond.
  • D. The update utility is trying to use a proxy to access the internal resource.


Answer : D

What is a functionality of the Waterfall method as compared to the Agile method for software development?

  • A. Waterfall increases agility to implement faster while Agile promotes reliability.
  • B. A phase begins after the previous phase has ended in Waterfall while Agile phases run in parallel.
  • C. Customers get feedback during the process in Waterfall while they can see the result at the end in Agile.
  • D. Requirements can be updated in Waterfall while in Agile it should be gathered in the beginning.


Answer : B

What is a benefit of using functions in the code for the development process?

  • A. better user experience in the end product
  • B. improves code performance
  • C. easier to compile the code
  • D. faster code development


Answer : D

What is the difference between YAML and JSON data structure?

  • A. YAML uses spaces; JSON uses parentheses
  • B. YAML uses indentation; JSON uses brackets and braces
  • C. YAML uses brackets and braces; JSON uses indentation
  • D. YAML uses parentheses; JSON uses spaces


Answer : A

A developer is working on a feature for a new application. The changes in the existing branch named 'feat00304' must be integrated into a single commit with the current working primary branch named 'prodapp411926287'. Which git command must be used?

  • A. git rebase --merge feat00304
  • B. git merge --squash feat00304
  • C. git push --rebase feat00304
  • D. git checkout --squash feat00304


Answer : B

A file that already exists in a local repository is updated. Which command must be executed to ensure that the changes in the file are included in the next Git commit?

  • A. git update
  • B. git merge
  • C. git add
  • D. git rebase


Answer : A

Into which type of Python data structure should common data formats be parsed?

  • A. sequence
  • B. set
  • C. dictionary
  • D. list


Answer : C

Several teams at a company are developing a new CRM solution to track customer interactions with a goal of improving customer satisfaction and driving higher revenue. The proposed solution contains these components:
* MySQL database that stores data about customers
* HTML5 and JavaScript UI that runs on Apache
* REST API written in Python
What are two advantages of applying the MVC design pattern to the development of the solution? (Choose two.)

  • A. to enable multiple views of the same data to be presented to different groups of users
  • B. to provide separation between the view and the model by ensuring that all logic is separated out into the controller
  • C. to ensure data consistency, which requires that changes to the view are also made to the model
  • D. to ensure that only one instance of the data model can be created
  • E. to provide only a single view of the data to ensure consistency


Answer : BD


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

B.

C.

D.



Answer : A

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


Answer : B


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

  • A. It duplicates the ג€testג€ branch.
  • B. It deletes the ג€testג€ branch only if a new branch is created.
  • C. It deletes the ג€testג€ branch.
  • D. It does not delete the branch until it is merged.


Answer : C

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.


Answer : B

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

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Exam contains 529 questions

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