Why This Cheat Sheet Matters for DEVCOR
This cheat sheet covers the most important REST API Development concepts tested on the DEVCOR (DEVCOR) certification exam. It contains 2 sections with 9 key points that you should memorize before exam day. Use this as a quick-reference guide during your final review sessions.
2Sections
9Key Points
HTTP Methods
- GET: retrieve a resource (read-only).
- POST: create a new resource.
- PUT: replace an entire resource.
- PATCH: partially update a resource.
- DELETE: remove a resource.
Status Codes
- 200 OK, 201 Created, 204 No Content.
- 301 Moved Permanently, 304 Not Modified.
- 400 Bad Request, 401 Unauthorized, 403 Forbidden, 404 Not Found, 429 Too Many Requests.
- 500 Internal Server Error, 503 Service Unavailable.
Practice REST API Development Questions
Put your knowledge to the test with practice questions.
Cisco Command Quick Reference
Cisco IOS commands follow a hierarchical structure: User EXEC mode (>), Privileged EXEC mode (#), Global Configuration mode (config)#, and Interface Configuration mode (config-if)#. Master the transitions between these modes and the key "show" commands for each technology area — they are heavily tested on every Cisco exam.