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Cisco® 200-901 Exam Practice Questions (P. 4)

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Question #31
Which two encoding formats do YANG interfaces support? (Choose two.)
  1. A
    XML
  2. B
    JSON
  3. C
    XHTML
  4. D
    BER
  5. E
    plain text

Correct 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

Question #32
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`?
  1. A
    data['items']['host']['value']
  2. B
    data['items'][1]['host']['value']
  3. C
    data['items'][0]['host']['value']
  4. D
    data['items']['host'][1]

Correct Answer:
C

Question #33
Refer to the exhibit.

What does the Python function do?
  1. A
    It returns HTTP Basic Authentication.
  2. B
    It returns DNAC user and password.
  3. C
    It reads a token from a local JSON file and posts the token to the DNAC URL.
  4. D
    It returns an authorization token.

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

Question #34
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?
  1. A
    The server is running out of disk space.
  2. B
    The Internet connection is too slow.
  3. C
    The Internet is down at the moment, which causes the local server to not be able to respond.
  4. D
    The update utility is trying to use a proxy to access the internal resource.

Correct Answer:
D

Question #35
What is a functionality of the Waterfall method as compared to the Agile method for software development?
  1. A
    Waterfall increases agility to implement faster while Agile promotes reliability.
  2. B
    A phase begins after the previous phase has ended in Waterfall while Agile phases run in parallel.
  3. C
    Customers get feedback during the process in Waterfall while they can see the result at the end in Agile.
  4. D
    Requirements can be updated in Waterfall while in Agile it should be gathered in the beginning.

Correct Answer:
B

Question #36
What is a benefit of using functions in the code for the development process?
  1. A
    better user experience in the end product
  2. B
    improves code performance
  3. C
    easier to compile the code
  4. D
    faster code development

Correct Answer:
D

Question #37
What is the difference between YAML and JSON data structure?
  1. A
    YAML uses spaces; JSON uses parentheses
  2. B
    YAML uses indentation; JSON uses brackets and braces
  3. C
    YAML uses brackets and braces; JSON uses indentation
  4. D
    YAML uses parentheses; JSON uses spaces

Correct Answer:
A

Question #38
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?
  1. A
    git rebase --merge feat00304
  2. B
    git merge --squash feat00304
  3. C
    git push --rebase feat00304
  4. D
    git checkout --squash feat00304

Correct Answer:
B

Question #39
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?
  1. A
    git update
  2. B
    git merge
  3. C
    git add
  4. D
    git rebase

Correct Answer:
A

Question #40
Into which type of Python data structure should common data formats be parsed?
  1. A
    sequence
  2. B
    set
  3. C
    dictionary
  4. D
    list

Correct Answer:
C

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