Comparing AWS, Azure and Redhat exams

In last couple of years I’ve given certification exams of multiple cloud providers. While AWS and Azure exams are more theoretical and based on multiple choice questions. Redhat Openstack is practical lab exam. In this article I’ll be discussing the pros and cons of the different exam patterns.


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What is MFA and Why it’s important? – Security in Cloud

When you talk about cloud you may have heard about MFA.

Why MFA is important? Before I go into that let me tell you a couple of true incidents.


You may have heard about a company called Code Spaces. But for those who don’t know Code Spaces “was” a code repository company like GitHub.

One day a hacker got control  of the AWS Management Console of Code Space.

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AWS Crash Course – Route 53

Route 53 is a DNS service that route user requests.

  • Amazon Route 53 (Route 53) is a scalable and highly available Domain Name System (DNS).
  • The name route 53 is reference to UDP port 53 which is generally used for DNS.
  • Route 53 with its DNS service that allows administrators to direct traffic by simply updating DNS records in the hosted zone.
  • TTL(Time to Live) can be adjusted for resource records to be shorter which allow record changes to propagate faster to clients.
  • One of the key features of Route 53 is programmatic access to the service that allows customers to modify DNS records via web service calls.

Three Main functions of Route 53 are:-


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Difference between Classic and Application Load Balancer – Which one is best?

Often people are confused about different type of load balancers in Cloud. Today we will discuss about them.

Both AWS and Azure offer two type of load balancers.

1) Classic Load Balancers
2) Application Load Balancers


Both load balancers are obviously used to balance the load among multiple clients.

So what is the difference between two?

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Most of the services provided by different cloud providers are same as what you do in on-premises setup, they just have a different name in cloud. Below is comparison of major services offered by different cloud providers and what they mean in simple laymen terms. Hope this is helpful to you.


Continue reading “AWS VS AZURE VS OPENSTACK”

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