AWS ELB Interview Questions For Beginners

AWS ELB Interview Questions

What is AWS ELB?

The ELB stands for Elastic Load Balancer. It is a service provided by Amazon Web Services (AWS) that automatically distributes incoming web traffic across multiple Amazon Elastic Compute Cloud (EC2) instances. ELB can also automatically scale the number of instances to handle increases or decreases in traffic. This helps to ensure that the application remains available and responsive to user requests even under heavy load. It can be used to load balance HTTP/HTTPS traffic and TCP/SSL traffic.

Quick Questions About AWS ELB

ELB full formElastic Load Balancing
 developed byAWS (Amazon Web Services)
ELB launched in2009
ELB typesApplication & Network Load Balancer
ELB top featuresAutomatic Scaling, High Availability, Secure Communication, etc.

Key Responsibilities of AWS ELB Developer

An AWS ELB developer would have the following key responsibilities:

  • Design, develop, and implement ELB solutions to meet the needs of the organization.
  • Configure and manage ELB instances, including setting up load balancers, adding and removing instances, and configuring health checks.
  • Route incoming traffic to the appropriate back-end instances or services.
  • Ensure that the ELB is properly scaled to handle traffic increases and decreases.
  • Monitor and troubleshoot ELB performance, and resolve any issues that arise.
  • Ensure compliance with industry standards and regulations related to ELB and security.
  • Implement security measures, such as SSL/TLS protocols, to ensure secure communication between clients and servers.
  • Optimize the performance of the ELB by fine-tuning the load balancing algorithm, connection timeout settings, and other parameters.
  • Integrate the ELB with other AWS services, such as Amazon S3, Amazon CloudWatch, and Amazon Route 53.
  • Automate ELB setup and management using AWS tools such as CloudFormation or Terraform.
  • Monitor and manage the usage of the service to optimize cost.
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Below are the list of Best AWS ELB Interview Questions and Answers

Elastic Load Balancing (ELB) in Amazon Web Services (AWS) helps you in increasing the availability of applications with regular health checks and the distribution of traffic. It simply distributes the workload to numerous resources and increases the fault tolerance capacity of the applications. There are three types of elastic load balances which are classic load balancer (Clb), application load balancer (alb) and network load balancer (Nlb). Elb is very effective for companies as it increases the overall growth and traffic on your website. There are different interfaces like AWS management console, AWS command-line interface, Query API, etc which you can use for accessing, creating and managing your elastic load balancers.

VPC load balancer or Virtual Private Cloud load balancer is used to assign security groups to your VPC and offers the ability to load balance across the network and the platforms.