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The Developing Applications using Cisco Core Platforms and APIs (DEVCOR) (350-901)

Passing Cisco Cisco Certified DevNet Professional exam ensures for the successful candidate a powerful array of professional and personal benefits. The first and the foremost benefit comes with a global recognition that validates your knowledge and skills, making possible your entry into any organization of your choice.

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350-901 Exam Dumps
  • Exam Code: 350-901
  • Vendor: Cisco
  • Certifications: Cisco Certified DevNet Professional
  • Exam Name: Developing Applications using Cisco Core Platforms and APIs (DEVCOR)
  • Updated: May 8, 2026 Free Updates: 90 days Total Questions: 434 Try Free Demo

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Cisco 350-901 Exam Domains Q&A

Certified instructors verify every question for 100% accuracy, providing detailed, step-by-step explanations for each.

Question 1 Cisco 350-901
QUESTION DESCRIPTION:

Which two gRPC modes of model-driven telemetry are supported on Cisco IOS XE Software? (Choose two.)

  • A.

    dial-in

  • B.

    dial-out

  • C.

    call-in

  • D.

    call-out

  • E.

    passive

Correct Answer & Rationale:

Answer: A, B

Explanation:

[Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1612/, b_1612_programmability_cg/model_driven_telemetry.html#id_86392, , ]

Question 2 Cisco 350-901
QUESTION DESCRIPTION:

Refer to the exhibit.

350-901 Q2

Which additional line results in the output of Test 1 upon execution of the docker run --rm devnet 1 command in a Dockerfile with this content?

  • A.

    CMD [“/bin/echo”, “Test”]

  • B.

    RUN [“/bin/echo”, “Test”]

  • C.

    ENTRYPOINT [“/bin/echo”, “Test”]

  • D.

    CMD [“/bin/echo Test”]

Correct Answer & Rationale:

Answer: A

Explanation:

Explanation

Question 3 Cisco 350-901
QUESTION DESCRIPTION:

What are two steps in the OAuth2 protocol flow? (Choose two.)

  • A.

    The user is authenticated by the authorization server and granted an access token.

  • B.

    The user’s original credentials are validated by the resource server and authorization is granted.

  • C.

    The user indirectly requests authorization through the authorization server.

  • D.

    The user requests an access token by authentication and authorization grant presentation.

  • E.

    The user requests the protected resource from the resource server using the original credentials.

Correct Answer & Rationale:

Answer: A, E

Explanation:

[Reference: https://www.digitalocean.com/community/tutorials/an-introduction-to-oauth-2, , , ]

Question 4 Cisco 350-901
QUESTION DESCRIPTION:

350-901 Q4

350-901 Q4

Click on the GET Resource button above to view resources that will help with this question. An engineer is managing a DC with 6000 Cisco UCS servers installed and running. The engineer has been asked to identify all resources where the model is in the UCSB family and the available memory is less than or equal to 5 GB. Which REST API call accomplishes this task?

  • A.

    GET/api/v1/compute/RackUnits?$select=Vendor,Model,Serial & $filter=not(Model eq ‘UCSC’) and AvailableMemory le 5000

  • B.

    GET/api/v1/compute/RackUnits?$select=Vendor,Model,Serial & $filter=Model eq ‘UCSB’ and AvailableMemory lt 5000

  • C.

    GET/api/v1/compute/RackUnits?$select=Vendor,Model,Serial & $filter=contains(Model, UCSB’) and AvailableMemory lt 5000

  • D.

    GET/api/v1/compute/RackUnits?$select=Vendor,Model,Serial & $filter=contains(Model, UCSB’) and AvailableMemory le 5000

Correct Answer & Rationale:

Answer: D

Explanation:

https://intersight.com/apidocs/introducti on/query/#filter-query-option-filtering-the-resources

Question 5 Cisco 350-901
QUESTION DESCRIPTION:

Which type of file is created from issued intermediate, root, and primary certificates for SSL installation on a server?

  • A.

    DER

  • B.

    CSR

  • C.

    PEM

  • D.

    CRT

Correct Answer & Rationale:

Answer: C

Explanation:

Explanation

SSL .pem files (concatenated certificate container files), are frequently required for certificate installations when multiple certificates are being imported as one file.

Question 6 Cisco 350-901
QUESTION DESCRIPTION:

Refer to the exhibit.

350-901 Q6

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 & Rationale:

Answer: D

Explanation:

https://develop er.webex.com/docs/api/v1/messages/create-a-message

Question 7 Cisco 350-901
QUESTION DESCRIPTION:

The response from a server includes the header ETag: W/”7eb8b94419e371767916ef13e0d6e63d”. Which statement is true?

  • A.

    The ETag has a Strong validator directive.

  • B.

    The ETag has a Weak validator directive, which is an optional directive.

  • C.

    The ETag has a Weak validator directive, which is a mandatory directive.

  • D.

    The ETag has a Strong validator directive, which it is incorrectly formatted.

Correct Answer & Rationale:

Answer: B

Explanation:

Explanation

https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/ETag

The ETag HTTP response header is an identifier for a specific version of a resource. It lets caches be more efficient and save bandwidth, as a web server does not need to resend a full response if the content has not changed. Additionally, etags help prevent simultaneous updates of a resource from overwriting each other

Syntax:

ETag: W/ " < etag_value > "

Directives:

 W/ ( Optional)

' W/ ' (case-sensitive) indicates that a weak validator is used. Weak etags are easy to generate, but are far less useful for comparisons.

 " < etag_value > "

Entity tag uniquely representing the requested resource. They are a string of ASCII characters placed between double quotes, like " 675af34563dc-tr34 "

Question 8 Cisco 350-901
QUESTION DESCRIPTION:

A web application is susceptible to cross-site scripting. Which two methods allow this issue to be mitigated? (Choose two.)

  • A.

    Use only drop downs.

  • B.

    Limit user input to acceptable characters.

  • C.

    Encrypt user input on the client side.

  • D.

    Use AES encryption to secure the script.

  • E.

    Remove all HTML/XML tags from user input.

Correct Answer & Rationale:

Answer: B, E

Explanation:

https://cheatsheetseries.owasp.org/cheatsheets/Cross_ Site_Scripti ng_Prevention_Cheat_Sheet.html

Question 9 Cisco 350-901
QUESTION DESCRIPTION:

What is the result of a successful OAuth2 authorization grant flow?

  • A.

    The user has the application rights that correspond to the user ' s role within the application ' s database

  • B.

    The application is provided with a token that allows actions on services on the user ' s behalf

  • C.

    The user has administrative rights to the application ' s backend services

  • D.

    The third-party service is provided with a token that allows actions to be performed

Correct Answer & Rationale:

Answer: B

Explanation:

" The OAuth 2.0 authorization framework enables a third-party application to obtain limited access to an HTTP service, either on behalf of a resource owner by orchestrating an approval interaction between the resource owner and the HTTP service, or by allowing the third-party application to obtain access on its own behalf. "

Question 10 Cisco 350-901
QUESTION DESCRIPTION:

Which HTTP status code indicates that a client application is experiencing intentional rate limiting by the server?

  • A.

    202

  • B.

    401

  • C.

    429

  • D.

    503

Correct Answer & Rationale:

Answer: C

Explanation:

Explanation

https://httpstatuses.com/429

Cisco 350-901 verified by Radia Davenport
Verified by Certified Instructors

This Cisco 350-901 study pack was audited and verified on May 10, 2026 by Radia Davenport,. We ensure every technical rationale aligns with real-world enterprise standards.

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Achieving success in the 350-901 Cisco exam requires a blending of clear understanding of all the exam topics, practical skills, and practice of the actual format. There's no room for cramming information, memorizing facts or dependence on a few significant exam topics. It means your readiness for exam needs you develop a comprehensive grasp on the syllabus that includes theoretical as well as practical command.

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  • Begin with easier and more familiar topics of the exam syllabus
  • Make sure your command on the fundamental concepts
  • Focus your attention to understand why that matters
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Cisco 350-901 Cisco Certified DevNet Professional FAQ

What are the prerequisites for taking Cisco Certified DevNet Professional Exam 350-901?

There are only a formal set of prerequisites to take the 350-901 Cisco exam. It depends of the Cisco organization to introduce changes in the basic eligibility criteria to take the exam. Generally, your thorough theoretical knowledge and hands-on practice of the syllabus topics make you eligible to opt for the exam.

How to study for the Cisco Certified DevNet Professional 350-901 Exam?

It requires a comprehensive study plan that includes exam preparation from an authentic, reliable and exam-oriented study resource. It should provide you Cisco 350-901 exam questions focusing on mastering core topics. This resource should also have extensive hands on practice using Cisco 350-901 Testing Engine.

Finally, it should also introduce you to the expected questions with the help of Cisco 350-901 exam dumps to enhance your readiness for the exam.

How hard is Cisco Certified DevNet Professional Certification exam?

Like any other Cisco Certification exam, the Cisco Certified DevNet Professional is a tough and challenging. Particularly, it's extensive syllabus makes it hard to do 350-901 exam prep. The actual exam requires the candidates to develop in-depth knowledge of all syllabus content along with practical knowledge. The only solution to pass the exam on first try is to make sure diligent study and lab practice prior to take the exam.

How many questions are on the Cisco Certified DevNet Professional 350-901 exam?

The 350-901 Cisco exam usually comprises 100 to 120 questions. However, the number of questions may vary. The reason is the format of the exam that may include unscored and experimental questions sometimes. Mostly, the actual exam consists of various question formats, including multiple-choice, simulations, and drag-and-drop.

How long does it take to study for the Cisco Certified DevNet Professional Certification exam?

It actually depends on one's personal keenness and absorption level. However, usually people take three to six weeks to thoroughly complete the Cisco 350-901 exam prep subject to their prior experience and the engagement with study. The prime factor is the observation of consistency in studies and this factor may reduce the total time duration.

Is the 350-901 Cisco Certified DevNet Professional exam changing in 2026?

Yes. Cisco has transitioned to v1.1, which places more weight on Network Automation, Security Fundamentals, and AI integration. Our 2026 bank reflects these specific updates.

How do technical rationales help me pass?

Standard dumps rely on pattern recognition. If Cisco changes a single IP address in a topology, memorized answers fail. Our rationales teach you the logic so you can solve the problem regardless of the phrasing.