Todayâs modern world is witnessing a significant change in how businesses and organizations work. Everything is getting digitized, and the introduction of cloud and cloud computing platforms have been a major driving force behind this growth. Today, most businesses are using or are planning to use cloud computing for many of their operations, which consequently has led to a massive surge in the need for cloud professionals.Â
If you are interested in a career in the cloud industry, your chance has arrived. With cloud computing platforms like AWS taking the present business scenarios by storm, getting trained and certified in that particular platform can provide you with great career prospects.Â
But in order to get your AWS career started, you need to set up some AWS interviews and ace them. In the spirit of doing that, here are some AWS interview questions and answers that will help you with the interview process. There are a number of different AWS-related questions covered in this article, ranging from basic to advanced, and scenario-based questions as well.
How AWS Elastic Load Balancing Works?A load balancer accepts incoming traffic from clients and routes requests to its registered targets (such as EC2 instances) in one or more Availability Zones. The load balancer also monitors the health of its registered targets and ensures that it routes traffic only to healthy targets. When the load balancer detects an unhealthy target, it stops routing traffic to that target. It then resumes routing traffic to that target when it detects that the target is healthy again. A listener is a process that checks for connection requests. It is configured with a protocol and port number for connections from clients to the load balancer. Likewise, it is configured with a protocol and port number for connections from the load balancer to the targets.
What is Elastic Load Balancer (ELB)?Elastic Load Balancing (ELB) is a load-balancing service for Amazon Web Services (AWS) deployments. ELB automatically distributes incoming application traffic and scales resources to meet traffic demand.It also helps an IT team adjust capacity according to incoming application and network traffic.Load balancing divides the amount of work that a computer has to do among multiple computers so that users, in general, get served faster. ELB offers enhanced features including: Detection of unhealthy Elastic Compute Cloud (EC2) instances. Spreading instances across healthy channels only. Flexible cipher support. Centralized management of Secure Sockets Layer (SSL) certificates. Optional public key authentication. Support for both IPv4 and IPv
1 How do you set up a system to monitor website metrics in real-time in AWS?
Amazon CloudWatch helps you to monitor the application status of various AWS services and custom events. It helps you to monitor: