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How I Passed the AWS Security Specialty Exam – Lessons from the Journey

How I Passed the AWS Security Specialty Exam – Lessons from the Journey

Earlier this year, I set a personal goal: to earn the AWS Certified Security – Specialty certification. Not just for the badge, but to push myself into mastering the strategic and technical aspects of cloud-native security on AWS—something I found increasingly relevant in my day-to-day work. This wasn’t a simple study path. It became a structured, layered project of learning, revisiting concepts, and challenging assumptions I didn’t even know I had. Why I Took the Exam I already had solid hands-on experience…

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Understanding DNS with an overview of AWS Route 53

Understanding DNS with an overview of AWS Route 53

The Domain Name System (DNS) functions like a phone directory. Instead of looking up a person’s name to find their phone number, your computer looks up a domain name to find the corresponding IP address. This process involves several types of DNS servers, including recursive resolvers, root nameservers, TLD nameservers, and authoritative nameservers like Google 8.8.8.8 or Cloudflare 1.1.1.1 or your home router that forwards DNS query to your Internet Provider’s DNS Server. For example, if we run nslookup command…

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Welcome to my personal Blog Site

Welcome to my personal Blog Site

Dear all, I decided to build my own blog site and post somethings about IT, Cloud and other topics related to. As a Cloud Solution Architect, while I build solutions for my Customers, I realized that some solutions can also be useful in private and everyday life at low costs of ownership. For example, let’s start with this blog: it is built on AWS, using an EC2 instance (small size at this moment), where inside it has WordPress, phpMyAdmin, MySQL…

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