Cisco 350-901 DEVCOR/AUTOCOR case studies
Cisco 350-901 DEVCOR/AUTOCOR · Put your knowledge to work in context.
This page supports independent study for the Cisco 350-901 DEVCOR exam, listed by Cisco under the title "Designing, Deploying, and Managing Network Automation Systems." It is a professional-level exam aimed at developers and network engineers who build, secure, and operate automated network systems rather than only configuring devices. The published blueprint splits the exam into five equally weighted domains at 20 percent each: Software Development and Design; Using APIs; Cisco Platforms and Development; Application Deployment and Security; and Infrastructure and Automation. The Cisco 350-901 DEVCOR/AUTOCOR case studies are 5 cases and about 3,545 words.
1Extracting the First Service from a Shared-Schema Monolith
Your team runs a 14-engineer Django monolith on Kubernetes serving 2,400 requests/second at peak. Six teams deploy from one repository; a change to the billing module still requires a full regression run, and the integration suite fails 18% of runs, concentrated in checkout where tests share a database and depend on wall-clock time.
707 words, about 4 min2Nightly Sync That Skips, Duplicates, and Gets Throttled
A Python service synchronizes 180,000 endpoints from a controller's REST API every night at 01:00. It fetches pages with ?offset= and ?limit=500 , retries any 429 immediately up to five times, and creates a site record before each device.
718 words, about 4 min3On-Call Bot with a Leaked Token and a Trusting Button
An on-call Webex bot serves 40 spaces across three regions. It is a single Flask app with the bot token committed in config.py , a static webhook secret, and an Adaptive Card with an Acknowledge button that posts back to the same URL.
734 words, about 4 min4Pipeline That Shipped a Secret and Cannot Prove What It Deployed
A 40-service platform builds Docker images in Jenkins, tags them latest and ${BUILD NUMBER} , and pushes to ECR. Kubernetes pulls latest with imagePullPolicy: Always .
697 words, about 3 min5Configuration Drift and a Half-Applied Playbook Across 60 Switches
You manage 60 Catalyst 9300 switches with Terraform (network provider) for VLANs and Ansible for interface configuration. Terraform state is in S3 with locking, but two engineers routinely run terraform apply from laptops.
689 words, about 3 min