All AWS cloud services rely on data transmission from and to AWS networks and other private networks. This section you will learn everything about cloud networking:

  • Virtual Private Networks (VPN)
  • Subnets
  • Domain Name System (DNS)
  • Route 53
  • Content Delivery Network (CDN)
  • CloudFront
  • AWS Outposts

The question weights of the exam are: (1) Cloud Concepts (26%), (2) Billing and Pricing (16%), (3) Security and Compliance (25%), and (4) Technology (33%). So I organize the study guide into eight posts according to these topics. I also include some questions in each section. By studying these eight articles, you…


The word “automation” may let people to think that you can hand off totally to AWS. “Automation for repetitive tasks” is probably more closer to the idea. As you use AWS more and more, you will find you repeat a set of routine procedures. These tasks can be scripted or use CloudFormation. The automation can reduce your chance of human errors and speed up your operation.

The question weights of the exam are: (1) Cloud Concepts (26%), (2) Billing and Pricing (16%), (3) Security and Compliance (25%), and (4) Technology (33%). So I organize the study guide into eight posts…


People may concern if their data are safe on cloud. AWS had designed multiple layers to secure data and services at the highest level. Security is achieved by controlling who can access (authorize) to what services (authenticate). In this Section you will learn how to use the Identity and Access Management (IAM) service to control who can access to what services.

Certain financial data or health data are sensitive and need to comply with the law. You can control the data and services securely, but it does not mean you have complied the law in managing and retaining the data…


You will need databases to organize and retrieve your customer information or product information. How do you build your own databases in the cloud? In this post you’ll learn relational databases as well as non-relational databases. Then you will understand the strength and weakness relational and non-relational databases.

  • DynamoDB
  • Redshift

You will also understand how AWS Database Migration Service (AWS DMS) can help you migrate your databases to AWS.

The question weights of the exam are: (1) Cloud Concepts (26%), (2) Billing and Pricing (16%), (3) Security and Compliance (25%), and (4) Technology (33%). So I…


The Elastic Compute Cloud (EC2) and the S3 (Simple Storage Services) are two of AWS’ early pioneer services in 2000s and have been the backbone for many other services. Elastic Compute Cloud (EC2) is a virtual machine called (an instance) that can run all kinds of applications. When you launch an EC2, you will feel almost no difference from your local machine that runs on Window or Mac or Ubuntu operating system.

We have reviewed S3 in a previous article. In this section we will learn how to launch an EC2, understand the pricing of EC2, and its lightweight counterparts…


The question weights of the exam are: (1) Cloud Concepts (26%), (2) Billing and Pricing (16%), (3) Security and Compliance (25%), and (4) Technology (33%). So I organize the study guide into eight posts according to these topics. I also include some questions in each section. By studying these eight articles, you will be ready to pass the exam.

This post is the Storage Section of the study guide for the exam.


I think a great invention of AWS is its pricing model.

The question weights of the exam are: (1) Cloud Concepts (26%), (2) Billing and Pricing (16%), (3) Security and Compliance (25%), and (4) Technology (33%). So I organize the study guide into eight posts according to these topics. I also include some questions in each section. By studying these eight articles, you will be ready to pass the exam. This post is the Pricing Section of the study guide for the exam:


If you are interested in taking the AWS exams, you probably know the benefits in your career advancement. According to the survey by Zip Recruiter in 2021, the average salary for an AWS Solution Architect Associate is $155,005/year and an AWS Solution Architect Professional is $163,525/year in North America. My post “The Guide to the AWS Certifications” walks you through the designations and the path for each one.

It is definitely manageable to pass the AWS exams in your already busy work or study life. AWS cloud practitioner exam is the first step. The Cloud Practitioner Exam does not require…


I summarize the exam cost and length in Table (1) to give you an overview. Consider the low investment now to earn an industry-recognized credential, it is certainly a great career path. According to the survey by Zip Recruiter in 2021, the average salary for an AWS Solution Architect Associate is $155,005/year and an AWS Solution Architect Professional is $163,525/year in North America.

You do not need to take all exams. If your goal is to be a professional Solutions Architect with AWS, you will need to pass the fundamental “AWS Certified Cloud Practitioner”, the Associate level “AWS Certified Solution…


I am an amateur cook so I always subscribe to the youtube channels of professional chefs. I need the Step 1–2–3 guide to make sure my dish is delicious. I guess there is value to have a tour guide when you hike the Himalayas. Because I have written a series of articles on data science, here I organize them along the data science journey. Either you are a data scientist or a project manager, this guide will help you deliver a successful outcome.

Dr. Dataman

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store