KK JavaTutorials

How is Rancher different from Kubernetes and how do we deploy Kubernetes with Rancher?

Rancher and Kubernetes are related but different technologies that serve different purposes in the container orchestration landscape. Kubernetes is an open-source container orchestration platform that automates the deployment, scaling, and management of containerized applications. It provides a rich set of features for container management, load balancing, service discovery, and automatic scaling. On the other hand,… Read More »

29 AWS Scenario based interview questions and answers

Below is the List of 29 AWS Scenario based interview questions and answers: Scenario 1: You are running a high-traffic website and want to implement a content delivery network (CDN) to improve performance and reduce latency. How would you set up and configure an AWS CloudFront distribution? Answer: To set up and configure an AWS… Read More »

AWS Scenario based interview question and answer

Scenario : You have a large amount of data stored in an S3 bucket, and you want to process it using AWS Glue for data transformation and analysis. Describe the steps you would take to achieve this. Answer: To process a large amount of data stored in an S3 bucket using AWS Glue for data… Read More »

AWS Scenario based interview question and answer

Scenario : You need to design a scalable and secure architecture for a microservices-based application. How would you approach this using AWS services? Answer: When designing a scalable and secure architecture for a microservices-based application on AWS, you can follow these steps: Identify Microservices: Identify the different microservices that make up your application and define… Read More »

AWS Scenario based interview question and answer

Scenario : Your company is planning to migrate its on-premises infrastructure to AWS. Outline the steps you would follow to ensure a successful migration. Answer: To ensure a successful migration of your company’s on-premises infrastructure to AWS, you can follow these steps: Evaluate and Plan: Assess your current infrastructure, applications, and data to identify the… Read More »

AWS Scenario based interview question and answer

Scenario: You have a web application running on an EC2 instance, and you want to ensure high availability and fault tolerance. How would you achieve this using AWS services? Answer: To ensure high availability and fault tolerance for the web application running on an EC2 instance, you can follow these steps using AWS services: Implement… Read More »

When should we use AWS Step Functions?

AWS Step Functions is a service provided by Amazon Web Services (AWS) that allows you to coordinate and manage the execution of multiple AWS services in a serverless workflow. You should consider using AWS Step Functions in the following scenarios: Workflow Orchestration: If you have a complex business process that involves multiple steps or microservices,… Read More »

How to handle thousands of requests per second in Spring Boot?

To handle thousands of requests per second in Spring Boot, you can consider implementing the following strategies: Optimize Database Operations: Use efficient queries, indexing, and caching mechanisms to minimize database load and improve response time. Consider implementing a database connection pooling mechanism. Use Caching: Utilize caching mechanisms like Spring Cache or third-party solutions such as… Read More »

Which language should I learn to get a job in India?

In India, the programming languages in high demand for job opportunities vary based on industry trends and market needs. However, some languages consistently have a strong presence in the Indian job market: Java: Java has been a widely used programming language in India for many years. It is prevalent in various industries, including software development,… Read More »

When to use Spring and when to use Spring Boot?

Spring and Spring Boot are both Java frameworks that can be used for building enterprise-level applications. The choice between using Spring or Spring Boot depends on the specific requirements and complexity of the project. Spring: Use Spring when you require fine-grained control over the configuration and customization of your application. Spring is suitable for larger,… Read More »