About This Flashcard Deck
This flashcard deck contains 10 cards covering key DevNet Core concepts for the DEVCOR exam. Test your Cisco DevNet knowledge. Use active recall by attempting to answer each question before revealing the answer.
Question
What is RESTCONF?
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Answer
REST-like protocol for network device configuration using YANG models over HTTPS. Uses JSON or XML encoding.
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All DevNet Core Flashcards
Q: What is RESTCONF?
A: REST-like protocol for network device configuration using YANG models over HTTPS. Uses JSON or XML encoding.
Q: What is NETCONF?
A: XML-based protocol over SSH (port 830) for network device configuration using YANG data models.
Q: What is the Observer design pattern?
A: One-to-many dependency: when the subject changes state, all observers are notified automatically.
Q: What is OAuth 2.0 Client Credentials flow?
A: Server-to-server authentication. App sends client_id + client_secret to get an access token. No user interaction.
Q: What is a Dockerfile?
A: A text file with instructions to build a Docker image: FROM, RUN, COPY, CMD, EXPOSE, ENV, etc.
Q: What is Ansible?
A: Agentless automation tool using YAML playbooks over SSH. Idempotent. Popular for network configuration management.
Q: What is pyATS?
A: Python Automated Test System — Cisco framework for network testing and validation with Genie parsers.
Q: What is a webhook?
A: HTTP callback: server sends HTTP POST to a client URL when an event occurs. Push-based notification.
Q: What is Meraki Dashboard API?
A: RESTful API for managing Cisco Meraki cloud-managed networks. Uses API key authentication.
Q: What is CI/CD?
A: Continuous Integration (automated build/test on commit) + Continuous Delivery/Deployment (automated release to production).
Cisco Flashcard Study Strategy
Cisco exams heavily test protocol operations and configuration details. Use these flashcards to drill port numbers, protocol behaviours, and administrative distances. Pair flashcard sessions with Packet Tracer labs — when you encounter a card about OSPF neighbour states, open a lab and verify each state transition on a live topology. This combination of memorisation and practice builds the deep understanding Cisco exams demand.