Ran Chen, EA, CFP®

Tech Exam Prep

Education EN ↓ 222 episodes

Tech Exam Prep is a free, daily podcast by OpenExamPrep covering the most in-demand IT and technology certification exams — including CompTIA Security+, AWS Cloud Practitioner, CompTIA Network+, CCNA, CompTIA A+, and more. Each 5-minute episode breaks down one exam topic with concrete examples, common exam traps, and memory tricks to help you pass on your first attempt. No fluff, no filler — just the concepts you need to know, explained the way the exam tests them. This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP desig...

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Author

Ran Chen, EA, CFP®

Episodes

CCA-F Exam Prep 32, Handling Ambiguity and Clarifying Questions 17.08.2026 2:14

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why asking targeted clarifying questions is essential when use...

CCA-F Exam Prep 31, Prompting for Tool Use 16.08.2026 3:31

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why precise tool descriptions, including name, purpose, and us...

CCA-F Exam Prep 30, Chain-of-Thought and Extended Thinking 15.08.2026 2:11

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How Chain-of-Thought prompting improves accuracy on complex, m...

CCA-F Exam Prep 29, Few-Shot Prompting 14.08.2026 3:13

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Few-shot prompting guides a model by providing 2-5 input-outpu...

CCA-F Exam Prep 28, Constraining Output — Schemas and Prefilling 13.08.2026 3:47

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To define explicit output schemas with strict data types and e...

CCA-F Exam Prep 27, Structured Output — JSON and XML 12.08.2026 3:31

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Why structured output (JSON/XML) is a critical integration ski...

CCA-F Exam Prep 26, System Prompts vs User Prompts 11.08.2026 2:01

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - System prompts establish the AI's persistent role, rules, and...

CCA-F Exam Prep 25, Prompt Engineering Fundamentals 10.08.2026 3:41

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The four essential components of a strong prompt: Role, Task,...

CCA-F Exam Prep 24, Context Management in Claude Code 09.08.2026 3:13

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That the CCA-F exam tests context management as a core skill f...

CCA-F Exam Prep 23, Configuration — Settings and Environment 08.08.2026 3:08

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How Claude Code uses a cascading system of user-level and proj...

CCA-F Exam Prep 22, Workflows and the Plan-Apply Pattern 07.08.2026 2:48

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Plan-Apply pattern is a two-step workflow: the AI first pr...

CCA-F Exam Prep 21, Subagents in Claude Code 06.08.2026 4:08

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How subagents in Claude Code function as specialized, temporar...

CCA-F Exam Prep 20, Permissions and the Approval Model 05.08.2026 2:55

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Claude Code's permission model defaults to 'ask-each-time' for...

CCA-F Exam Prep 19, Slash Commands and Custom Skills 04.08.2026 2:43

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - What slash commands are and their role in standardizing workfl...

CCA-F Exam Prep 18, Hooks — Running Commands on Lifecycle Events 03.08.2026 2:52

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - That hooks are for deterministic policy enforcement, while pro...

CCA-F Exam Prep 17, CLAUDE.md — Project Memory and Instructions 02.08.2026 3:01

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How CLAUDE.md provides persistent, project-specific instructio...

CCA-F Exam Prep 16, What Is Claude Code 01.08.2026 2:55

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Claude Code is an agentic tool that directly manipulates files...

CCA-F Exam Prep 15, Common Agentic Anti-Patterns 31.07.2026 3:16

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to identify over-engineered solutions that add unnecessary...

CCA-F Exam Prep 14, Tool Use in the Agentic Loop 30.07.2026 3:14

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How Claude's native tool use (function calling) enables models...

CCA-F Exam Prep 13, Guardrails and Human-in-the-Loop 29.07.2026 2:52

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Guardrails are safety controls that bound an AI agent's autono...

CCA-F Exam Prep 12, Plan Mode and Multi-Step Planning 28.07.2026 3:34

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Plan mode separates planning from execution, a crucial pattern...

CCA-F Exam Prep 11, Escalation — When to Hand Off 27.07.2026 3:32

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The two primary escalation paths tested on the CCA-F exam: AI-...

CCA-F Exam Prep 10, Retries and Error Handling 26.07.2026 3:11

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To differentiate between transient (retryable) and permanent (...

CCA-F Exam Prep 9, The Critic-Refine Pattern 25.07.2026 2:58

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - The Critic-Refine pattern is a three-step process: generate a...

CCA-F Exam Prep 8, Orchestration — Sequential vs Parallel Execution 24.07.2026 3:40

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - Sequential execution is for dependent tasks that must run one...