Rajesh Kumar

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

Review Questions Your company user Chef for its automation. What AWS service can run Chef recipes? AWS Elastic Beanstalk AWS OpsWorks AWS CodeDeploy AWS CodeCommit Your company…

Review Questions How are charges calculated for data transferred between Amazon Relational Database Service (Amazon RDS) and Amazon Elastic Computer Cloud (Amazon EC2) instance in the Availability…

Review Questions You are running a website that keeps historical photos from previous elections. Users Need to be able to search for and display images from the…

Review Questions You have implement a Classic Load Balancer. You now need to collect some Information, specifically what is the IP address of the client making the…

Review Questions Which of the following is a dependency of the AWS CLI for Mac and Linux? C++ Python Java .NET SDK Which of the following AWS…

Assessment Test You notice in the AWS Management Console that Your Amazon Elastic Compute Cloud (Amazon EC2) Instance State is Failed. What would cause this? Loss of…

Understand highly available architectures. A system is highly available when it can withstand the failure of an individual or multiple components. If you design architectures around the…

Understand the shared responsibility model. The shared responsibility model is not just limited security considerations; it also extends to IT controls. For example, the management, Operation, and…

Understand the shared responsibility model. AWS is responsible for securing the underlying infrastructure that supports the cloud, and you’re responsible for anything you put on the cloud…

Know the basic use cases for Amazon CloudFront. Know when to use Amazon CloudFront (for popular static and dynamic content with geographically distributed users) and when not…

Know how to use Amazon ElastiCache.Improve the performance of your application by deploying Amazon ElastiCache cluster as part of your application and offloading read requests for frequently…

Understand what DNS is.DNS is the methodology that computers use to convert human-friendly domain names (for example, amazon.com) into IP addresses (such as 192 .0.2.1). Know how…

Know how to use Amazon SQS.Amazon SQS is unique service designed by Amazon to help you to decouple your infrastructure. Using Amazon SQS, you can store messages…

Know what a relational database is.A relational database consists of one or more tables, Communication to and from relational databases usually involves simple SQL queries, such as…

Know the different principals in IAM.The three principals that can authenticate and interact with AWS resources are the root user, IAM users, and roles. The root user…

Understand what a VPC is and its core and optional components.An Amazon VPC is a logically isolated network in the AWS Cloud. An Amazon VPC is made…

Understand what the Elastic Load Balancing service provides.Elastic Load Balancing is a highly available service that distribute traffic across Amazon EC2 instances and includes options that provide…

Know the basics of launching an Amazon EC2 instance.To launch an instance, you must specify an, AMI, which defines the software on the instance at launch, and…

Know what Amazon S3 is and what it is commonly used for.Amazon S3 is secure, durable, and highly scalable cloud storage that can be used to store…

Understand the global infrastructure.AWS provides a highly available technology infrastructure platform with multiple locations worldwide. These locations are composed of regions and Availability Zones. Each region is…

What is Configuration Management? List a few available configuration management tools. What is Ansible? List some of major advantages of using Ansible. Write down the data flow…

Before going further deep into Ansible, it is time to get familiar with some important Ansible commands: ansible: It is an extra – simple root / framework…

Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…

Continuous Integration is not an all-or-nothing affair. In fact, introducing CI into an organization takes you on a path that progresses through several distinct phases. Each of…