Amazon API Gateway is a fully managed service provided by AWS that allows you to create, publish, maintain, monitor, and secure APIs at any scale. It enables you to build RESTful APIs, WebSocket APIs, and HTTP APIs that serve as the “front door” for applications to access data, business logic, or functionality from your […]
What is a Non-Relational Database in AWS?
A non-relational database (also known as NoSQL database) in AWS refers to a type of database that stores and manages data without relying on the traditional table structure and relationships used in relational databases. Non-relational databases are designed to handle large volumes of unstructured, semi-structured, or structured data, and they are optimized for performance, scalability, […]
What is Amazon CloudWatch?
Amazon CloudWatch is a monitoring and observe ability service provided by AWS that allows you to collect, monitor, and analyze metrics, logs, and events from your AWS resources, applications, and services. CloudWatch enables you to gain visibility into your cloud infrastructure’s performance, optimize resource usage, detect anomalies, set alarms, and automatically respond to changes in […]
What is AWS Lambda?
AWS Lambda is a serverless computing service provided by Amazon Web Services (AWS) that allows you to run code without provisioning or managing servers. With Lambda, you can execute code in response to various events, such as changes to data in an Amazon S3 bucket, updates to a DynamoDB table, or an HTTP request via […]
What is Amazon Cognito?
Amazon Cognito is a managed service provided by Amazon Web Services (AWS) that allows you to add authentication, authorization, and user management to your web and mobile applications. Cognito supports various identity providers, including social identity providers (such as Google, Facebook, and Apple), enterprise identity providers via SAML 2.0, and custom identity providers. It […]
What is a Load Balancer in AWS?
A Load Balancer in AWS is a service that automatically distributes incoming application traffic across multiple targets, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions, in one or more Availability Zones (AZs). The load balancer acts as the single point of access for your application, helping to ensure high availability, fault […]
What is Amazon EMR?
Amazon EMR (Elastic MapReduce) is a cloud-based big data platform provided by Amazon Web Services (AWS) that allows you to process and analyze large datasets quickly and cost-effectively using distributed computing frameworks such as Apache Hadoop, Apache Spark, Apache HBase, Apache Flink, Apache Hudi, and Presto. EMR simplifies the process of setting up, managing, […]
What is a Bash Script in AWS?
A Bash script is a text file containing a series of commands that are executed by the Bash shell (Bourne Again SHell), which is a command-line interpreter typically found in Unix-like operating systems, including Linux distributions. In the context of AWS, Bash scripts are commonly used to automate tasks, configure servers, manage resources, and […]
What is an Amazon Machine Image (AMI)?
An Amazon Machine Image (AMI) is a pre-configured template used to launch Amazon EC2 instances in the AWS cloud. It contains the information required to boot and run an instance, including the operating system, application server, and applications. AMIs allow you to quickly and easily create new instances with the same configurations, ensuring consistency and […]
What is a Network Access Control List (NACL) in AWS?
A Network Access Control List (NACL) in AWS is a stateless, customizable firewall-like security layer that controls inbound and outbound traffic to and from one or more subnets in an Amazon VPC. NACLs operate at the subnet level and allow you to define rules that permit or deny traffic based on various parameters, such as […]