Ran Chen, EA, CFP®

Tech Exam Prep

Education EN ↓ 110 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...

Author

Ran Chen, EA, CFP®

Episodes

[AWS CCP] 35, Elastic Load Balancing 27.04.2026 3:36

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: - Application Load Balancers (ALB) operate at Layer 7 and are id...

[AWS CCP] 34, Amazon CloudFront CDN 26.04.2026 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: - That Amazon CloudFront is a global Content Delivery Network (C...

[AWS CCP] 33, AWS Lambda and Serverless 25.04.2026 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: - AWS Lambda is a serverless compute service that runs your code...

[AWS CCP] 32, Amazon VPC Networking 24.04.2026 2:47

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: - A VPC is your private, isolated network in AWS, and subnets ar...

[AWS CCP] 31, Amazon DynamoDB 23.04.2026 1:49

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: - DynamoDB is a serverless NoSQL database, ideal for key-value a...

[AWS CCP] 30, Amazon RDS and Database Services 22.04.2026 3:17

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 core function of Amazon RDS as a managed service for six p...

[AWS CCP] 29, Amazon S3 Storage Classes 21.04.2026 3:09

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 S3 Standard for frequent access versus Infreq...

[AWS CCP] 28, Amazon EC2 Instance Types 20.04.2026 3:09

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 match the five main EC2 instance families (General Purp...

[AWS CCP] 27, AWS Firewall and Access Control 19.04.2026 3:58

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: - AWS WAF protects web applications at Layer 7 from exploits lik...

[AWS CCP] 26, AWS Compliance Programs 18.04.2026 3:23

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 differentiate SOC 1, SOC 2, and SOC 3 reports for exam...

[AWS CCP] 25, Incident Response on AWS 17.04.2026 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: - How AWS Trusted Advisor proactively identifies security miscon...

[AWS CCP] 24, Security Best Practices 16.04.2026 3:27

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 enabling Multi-Factor Authentication (MFA) on the root acc...

[AWS CCP] 23, AWS Secrets and Parameter Management 15.04.2026 2:32

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: - AWS Secrets Manager is the correct choice for scenarios requir...

[AWS CCP] 22, Identity Federation and SSO 14.04.2026 3:19

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: - AWS IAM Identity Center is the primary service for managing si...

[AWS CCP] 21, Logging and Monitoring Security 13.04.2026 3:57

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: - AWS CloudTrail's primary role is to provide an audit trail of...

[AWS CCP] 20, DDoS Protection and AWS Shield 12.04.2026 3:53

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: - AWS Shield Standard is a free, automatic service protecting ag...

[AWS CCP] 19, AWS Compliance and Governance 11.04.2026 2:56

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 core principles of the AWS Shared Responsibility Model for...

[AWS CCP] 18, Network Security on AWS 10.04.2026 3:04

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: - Security Groups are stateful firewalls at the instance level,...

[AWS CCP] 17, Data Encryption on AWS 09.04.2026 4:06

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 core difference between encryption at rest for stored data...

[AWS CCP] 16, AWS Organizations and SCPs 08.04.2026 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: - That AWS Organizations is used to centrally manage and govern...

[AWS CCP] 15, IAM Policies and Permissions 07.04.2026 3:21

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 three core components of an IAM policy JSON structure: Eff...

[AWS CCP] 14, AWS IAM Fundamentals 06.04.2026 3:09

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 root user should be secured with MFA and not used for dail...

[AWS CCP] 13, Shared Responsibility Model 05.04.2026 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 core distinction between AWS's responsibility (security OF...

[AWS CCP] 12, Containers on AWS 04.04.2026 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: - A Docker container is a portable package with an application's...

[AWS CCP] 11, Serverless Computing Concepts 03.04.2026 2:56

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: - Serverless means you don't provision or manage servers; AWS ha...