List of Important AWS Services for Exam Preparation

I have highlighted keywords in RED, which will be very helpful for Certification preparation.


IAM – AWS Identity and Access Management (IAM) enables customers to securely control access to AWS services and resources for their users. Using IAM, customer can create and manage AWS users and groups and use permissions to allow and deny their access to AWS resources. For exam specific references click here.

VPC – Amazon Virtual Private Cloud lets customer provision a logically isolated section of the AWS Cloud where customers can launch AWS resources in a virtual network defined by them. Customer has complete control over the virtual networking environment, including choice of their own IP address range, creation of subnets, and configuration of route tables,security gateway and network gateways. For exam specific references click here.

EC2 – Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. Designed to make web-scale computing easier for developers and system administrators. For exam specific references click here.

Storage Services

  • EBS – EBS provides block level storage volumes for use with Amazon EC2 instances. Amazon EBS volumes are network-attached, and persist independently from the life of an instance. For exam specific references click here.
  • EFS – Amazon Elastic File System  provides simple, scalable, elastic file storage for use with AWS Cloud services and on-premises resources. This gives customer ability to mount file and share file system between servers. For exam specific references click here.
  • S3 – Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web. For exam specific references click here.
  • Other Storage ServicesIncludes snowball, storage gateway . For more click here.

which one to use: EFS vs EBS vs S3 ?

  • Amazon EFS is a file storage service for use with Amazon EC2. Amazon EFS provides a file system interface, file system access semantics (such as strong consistency and file locking), and concurrently-accessible storage for up to thousands of Amazon EC2 instances.
  • Amazon EBS is a block level storage service for use with Amazon EC2. Amazon EBS can deliver performance for workloads that require the lowest-latency access to data from a single EC2 instance.
  • Amazon S3 is an object storage service. Amazon S3 makes data available through an Internet API that can be accessed anywhere.

Elastic Load Balancer – Automatically distributes incoming application traffic across multiple Amazon instances(EC2). It enables customers to meet even greater fault tolerance in their applications, seamlessly providing the amount of load balancing capacity needed in response to incoming application traffic. For more click here.

AutoScaling – Allows customers to scale your Amazon instances (EC2) capacity up or down automatically according to conditions customers define. For exam specific references click here.

Elastic Beanstalk – AWS Elastic Beanstalk is an easy-to-use service for deploying and scaling web applications and services developed with popular programming languages such as Java, .NET, PHP, Node.js, Python and Ruby. You simply upload your application and Elastic Beanstalk automatically handles the deployment details of capacity provisioning, load balancing, auto-scaling and application health monitoring. For exam specific references click here.

Database Services (RDS,Dynamo , Redshift)

  • Amazon RDS is a web service that makes it easy to set up, operate and scale a relational database in the cloud. It provides cost-efficient and resizable capacity while managing time-consuming database administration tasks, freeing you up to focus on your applications and business.
  • Amazon DynamoDB is a fast, fully managed NoSQL database service that makes it simple and cost-effective to store and retrieve any amount of data, and serve any level of request traffic. All data items are stored on Solid State Drives (SSDs), and are replicated across 3 Availability Zones for high availability and durability
  • Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse service that makes it simple and cost-effective to efficiently analyze all your data using your existing business intelligence tools.
  • For exam specific references click here.

ElastiCache – Amazon ElastiCache is a web service that makes it easy to deploy, operate, and scale an in-memory cache in the cloud. The service improves the performance of web applications by allowing you to retrieve information from a fast, managed, in-memory caching system, instead of relying entirely on slower disk-based databases. For exam specific references click here.

Route53Amazon Route 53 is a highly available and scalable Domain Name System (DNS) web service. It is designed to give developers and businesses an extremely reliable and cost-effective way to route end users to Internet applications by translating human readable names. For exam specific references click here.

Cloudwatch & CloudTrail

  • Amazon CloudWatch provides monitoring for AWS cloud resources and the applications customers run on AWS. Developers and system administrators can use it to collect and track metrics, gain insight, and react immediately to keep their applications and businesses running smoothly.
  • AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you. The recorded information includes the identity of the API caller, the time of the API call, the source IP address of the API caller, the request parameters, and the response elements returned by the AWS service. For exam specific references click here.

Other Application Services – SQS,SNS,WAF,Kinesis,Lambda,Trusted Advisor more(…)

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