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Exam blueprints shift, and last season's study guide quietly turns into a liability. That is why Actual4Labs refreshes its Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) practice questions on a continuous basis and includes 365 days of free updates with every 2026 purchase.
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cisco Platforms | 20% | - Working with Cisco data models, YANG, and protocols - Platform-specific development and integration patterns - Cisco infrastructure, cloud, and collaboration APIs - Cisco management, automation, and orchestration platforms |
| Topic 2: Software Development and Design | 20% | - Data formats, modeling, versioning, and error handling - Distributed application concepts: front-end, back-end, load balancing - Design considerations: latency, rate limiting, security, compliance - Application design: scalability, modularity, high availability, resiliency |
| Topic 3: Using APIs | 20% | - Consuming and integrating Cisco and third-party APIs - Authentication, authorization, and security standards - API lifecycle: documentation, testing, monitoring, versioning - API styles: REST, RPC, event-driven, WebSockets |
| Topic 4: Application Deployment and Security | 20% | - Testing, observability, logging, and monitoring - Application lifecycle management and maintenance - Deployment strategies: containerization, CI/CD, cloud, on-premises - Security: identity, secrets, encryption, compliance |
| Topic 5: Infrastructure and Automation | 20% | - Model-driven automation and data-driven operations - Integrating applications with infrastructure automation - Automation tools, workflows, and configuration management - Network and infrastructure programmability concepts |
Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) is an official Cisco exam, registered under the code 350-901. A passing score earns you the Cisco Certified DevNet Professional, Cisco Certified DevNet Specialist - Core certification, positioned at the Professional level. The credential also connects to Cisco Certified DevNet Expert, so it can anchor a broader certification path. Because Cisco designs its exams around real job tasks, holding this certification signals practical skill rather than memorized theory.
Candidates face 90 - 110 questions inside a 120 minutes window on the Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) exam. That ratio leaves little slack, which is why pacing deserves as much practice as the content itself. Learn to budget your minutes, park stubborn questions instead of wrestling them, and rehearse under a real clock: a few timed runs in the Actual4Labs test engine will make the official time limit feel routine rather than threatening.
The passing bar for Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) is set at Pass/Fail (approx. 75% - 80%), and registering for the exam officially costs US$400. There is no reduced price for a second try: fail, and you pay US$400 in full again. That makes honest self-testing the cheapest insurance available, so hold off on booking until your Actual4Labs practice scores sit clearly above the passing line, attempt after attempt.
Recommended: knowledge of Python, networking (TCP/IP), APIs, software development methodologies; 6ā12 months development/automation experience
Vendor policies are revised from time to time, so double-check the eligibility details before registering on the official exam page.
Sign-up for the Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) exam is handled through the official registration channels listed here.
One practical detail: the exam is delivered Online proctored or onsite at Pearson VUE test centers, so plan your logistics accordingly.
Cisco recommends the following training resources for candidates working toward Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR).
Training gives you the theory, but repetition locks it in. Pair any course with the 667 practice questions in the Actual4Labs 350-901 package and you will know exactly how each topic shows up on exam day.
Absolutely. A free PDF demo of the Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) questions is available at Actual4Labs, so you can inspect the quality and formatting before any money changes hands. Once you buy, updates are free for 365 days, and when that period runs out you can extend the update service at 50% off the regular price.
Actual4Labs offers a 100% money-back guarantee with specific conditions. If you take the Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) exam within 60 days of purchase and fail, you may claim a full refund, provided the exam matches your product. Sitting the exam within 3 days of purchase disqualifies a claim, as do downloaded-but-unused products, free materials, and expired orders; the candidate name must also match the payer name. To file, submit a scanned enrollment slip and the official Score Report PDF within 2 days of the exam, and the claim is processed within 7 days. If you prefer, you can skip the refund and instead receive two other exam products of equal value at no charge while keeping the update service on your original purchase.
As for delivery: it is immediate. Your files become downloadable the moment payment completes and are also emailed to you within one minute. If nothing shows up within 2 hours, contact customer service. You may install the software on an unlimited number of computers.
Cisco Developing Applications using Cisco Core Platforms and APIs (DEVCOR) is divided into 5 official domains. Among the headline areas are Cisco Platforms (20%), Using APIs (20%), and Application Deployment and Security (20%). Scroll up to the exam topics section for the full breakdown, and use it as a checklist: any line you cannot confidently explain deserves another round of practice.
What are two principles according to the build, release, run principle of the twelve-factor app methodology? (Choose two.)
Correct Answer: B,D š³ļø
Explanation: Only visible for Actual4Labs members. You can sign-up / login (it's free).
Refer to the exhibit. A developer created an application to display telemetry metrics that were collected from Cisco devices and hosted it on a local development server. Upon initialization, the application does not behave as expected when a user tries to authenticate with their profile. What is the cause of this problem?
Correct Answer: D š³ļø
Which logging technique captures events and event streams, and supports log aggregation?
Correct Answer: C š³ļø
Explanation: Only visible for Actual4Labs members. You can sign-up / login (it's free).
Drag and Drop Question
A developer is designing an application that uses confidential information for a company and its clients. The developer must implement different secret storage techniques for each handled secret to enforce security policy compliance within a project. Drag and drop the security policy requirements from the left onto the storage solutions on the right.
Correct Answer:
Refer to the exhibit. The YAML represented is using the ios_vrf module. As part of the Ansible playbook workflow, what is the result when this task is run?
Correct Answer: C š³ļø
Explanation: Only visible for Actual4Labs members. You can sign-up / login (it's free).
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Viewing questions 1-5 out of 667 questions.
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