[May-2026] 350-901 Pre-Exam Practice Tests | Exam Questions and Answers for Cisco Certified DevNet Professional Study Guide
Developing Applications using Cisco Core Platforms and APIs (DEVCOR) Certification Sample Questions
Cisco 350-901 (Developing Applications using Cisco Core Platforms and APIs (DEVCOR)) exam is a certification exam that is designed to test the knowledge of developers who are experienced in building applications using Cisco Core Platforms and APIs. 350-901 exam is one of the certification exams that are offered by Cisco to help developers showcase their expertise in developing applications on Cisco platforms.
Cisco 350-901 exam covers a range of topics related to developing applications using Cisco technologies. These topics include software development and design, APIs and protocols, infrastructure and automation, security, and collaboration. 350-901 exam is designed to test the candidate's ability to design, develop, and deploy applications that are secure, scalable, and efficient. 350-901 exam format consists of multiple-choice questions, drag-and-drop questions, and simulations.
NEW QUESTION # 271
An engineer must design a high-availability solution for an application that will be used as a central repository. During the design process, the engineer discovers that some components send sensitive data over the internet, but the policy prohibits this. All sensitive data needs to remain confidential and must not be exposed. Which design decision ensures data confidentiality using microservice architecture?
- A. Data is restricted to an on-premises solution.
- B. Application is hosted on a virtual private cloud.
- C. Data is hashed.
- D. Application is hosted behind a DMZ firewall.
Answer: B
NEW QUESTION # 272
Refer to the exhibit.
Which RESTCONF verb changes the GigabitEthernet2 interface from 192.168.100.1/24 to 10.10.10.1/24
- A. HEAD
- B. GET
- C. POST
- D. PATCH
Answer: C
NEW QUESTION # 273
Which two strategies are used to protect personally identifiable information? (Choose two.)
- A. Only hash usernames and passwords for efficient lookup.
- B. Encrypt data in transit.
- C. Encrypt data at rest.
- D. Only encrypt usernames and passwords for efficient lookup.
- E. Encrypt hash values of data.
Answer: B,C
NEW QUESTION # 274
User report that they can no longer process transactions with the online ordering application, and the logging dashboard is displaying these messages.
Fri Jan 10 19:37:31.123 EST 2020 [FRONTEND] INFO: Incoming request to add item to cart from user
45834534858
Fri Jan 10 19:37:31 247 EST 2020 [BACKEND] INFO: Attempting to add item to cart Fri Jan 10 19:37:31 250 EST 2020 [BACKEND] ERROR: Failed to add item: MYSQLDB ERROR:
Connection refused
What is causing the problem seen in these log messages?
- A. The database server container has crashed.
- B. The backend process is overwhelmed with too many transactions.
- C. The user is not authorized to add the item to their cart.
- D. The backend is not authorized to commit to the database.
Answer: A
NEW QUESTION # 275
Which snippet presents the correct API call to configure, secure, and enable an SSID using the Meraki API?
A)
B)
C)
D)
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: A
NEW QUESTION # 276
Refer to the exhibit.
Refer to the exhibit. An engineer is setting up a CI/CD pipeline for a new application that depends on other services. The services must be prepared beforehand. Build dependencies must be installed by the pipeline. One of the pipeline stages fails. What is the cause of the issue?
- A. The unit test failed.
- B. A package is missing.
- C. The CI syntax is invalid.
- D. The dependent services are not ready.
Answer: B
NEW QUESTION # 277
What is a benefit of using model-driven telemetry?
- A. enables the application to pull data faster than pushing the data
- B. simplifies the development of clients by using a single encoding standard for the data
- C. reduces the load on the server by enabling the client to pull data
- D. enables operational data to be collected at higher rates and a higher scale
Answer: D
NEW QUESTION # 278
Refer to the exhibit.
Refer to the exhibit. Drag and drop the code snippets from the bottom onto the blanks in the Python scrip; to retrieve wireless c lent health data by using the Cisco Catalyst Center (formerly DNA Center) API. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 279
An application is being built to collect and display telemetry streaming dat a. Drag and drop the elements of this stack from the left onto the correct element functions on the right.
Answer:
Explanation:
NEW QUESTION # 280
Refer to the exhibit.
An architect wrote an application to collect device information from the Cisco Meraki Dashboard API. Every time a network change occurs the application collects information and records new endpoint MAC addresses. The application stopped working after the locations and network equipment of a competitor were acquired. Which application approach must be applied to reduce latency and rate limiting?
- A. leaky faucet algorithm for fault categorizing
- B. webhooks to trigger updates
- C. MOS scoring system before collecting information
- D. error handling to check for reachability first
Answer: D
NEW QUESTION # 281
Drag and Drop Question
Refer to the exhibit. Drag and drop the code from the bottom onto the box where the code is missing to complete the API request. An engineer is using this API request to implement Chat- Ops to generate notifications in a Webex space by using webhooks. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 282
Refer to the exhibit.
Drag and drop the correct parts of the Dockerfile from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the Dockerfile to successfully build and deploy a container running a Python application. Not all parts of the Dockerfile are used.
Answer:
Explanation:
NEW QUESTION # 283
Which two techniques protect against injection attacks? (Choose two.)
- A. string escaping of user free text and data entry
- B. only use dropdown, checkbox, and radio button fields
- C. trim whitespace
- D. input validation
- E. limit text areas to 255 characters
Answer: A,D
Explanation:
Explanation:
NEW QUESTION # 284
Drag and Drop Question
Drag and drop the steps from the left into the order on the right to host a Docker-contained application on a Cisco Catalyst 9000 Series Switch.
Answer:
Explanation:
NEW QUESTION # 285
Drag and drop the code from the bottom onto the box where the code is missing in the diagram to show how data is processed in Webex Teams. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 286
Refer to the exhibit. Pipenv is used to manage dependencies. The test runs successfully on a local environment.
What is the reason for the error when running the test on a CI/CD pipeline?
- A. Pytest did not detect any functions that start with 'test_'.
- B. Nose2 was not used as the test runner
- C. All the unit tests in testsum.py failed.
- D. The pipfile in the local environment was not pushed to the remote repository.
Answer: D
Explanation:
The error shows that unittest2 isn't installed which is a backport to Python 2.7. Pipenv can install it if the pipfile is shipped with it.
https://realpython.com/pipenv-guide/
NEW QUESTION # 287
Application sometimes store configuration as constants in the code, which is a violation of strict separation of configuration from code. Where should application configuration be stored?
- A. environment variables
- B. INI files
- C. YAML files
- D. Dockerfiles
- E. Python libraries
Answer: C
Explanation:
Section: Infrastructure and Automation
NEW QUESTION # 288
Which Puppet manifest changes the NTP server and generates the traffic from VLAN 15?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 289
An engineer has created an NGINX web server. The server will be accessible from outside the organization. A public-key certificate must be installed before external access is allowed Drag and drop the steps from the left into the order on the right to configure the certificate. Not all options are used
Answer:
Explanation:
Explanation
1. Generate private key
2. Restrict access to the private key
3. Generate the csr
4. Enroll the certificate through the CA
5. Reconfigure NGINX
NEW QUESTION # 290
Refer to the exhibit.
A developer is creating a Python script to use the Webex Teams REST API to list joined spaces, retry after the server-specified amount of time if a "Too many requests" response is received, and print any other error that is received. Drag and drop the code snippets from the left onto the item numbers on the right that match the missing sections in the exhibit to complete the script. Not all code snippets are used.
Answer:
Explanation:
NEW QUESTION # 291
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Career Opportunities
After completing the Cisco 350-901 exam and obtaining one of the relevant certifications, the individuals can explore vast employment opportunities. Some of the job roles that are available to the applicants holding the Cisco Certified DevNet Professional certificate are the following: a Software Engineer, a Developer, a Senior Developer, an Applications Developer, an Automation Engineer, a Cloud Developer, a Senior Cloud Developer, a Site Reliability Engineer (SRE), a DevOps Engineer, a Senior DevOps Engineer, a Senior Automation Engineer, a Security Automation Engineer, and a Test Development Engineer, among others. The certified specialists can count on an average salary of $84,040 per year.
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Tested Material Used To 350-901: https://drive.google.com/open?id=1QIIX2ro7jxwNxOL69ATa3qCkAJIgSuCq
