Which of the following statements about closures in JavaScript is true?
Senior Full Stack Engineer Interview Questions
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What is the result of the following code snippet? `const x = 5; const y = "10"; console.log(x + y);`
What is the output of the following code snippet? const promise1 = Promise.reject('Promise 1 Error'); const promise2 = Promise.resolve('Promise 2'); Promise.any([promise1, promise2]).then((result) => { console.log(result); }).catch((error) => { console.log(error); });
Which of the following statements about the let keyword is true?
Which of the following statements about the this keyword is true?
Explain oops concepts and its applicability in your project
Limits the number of requests a single API consumer/client can make to an API within a time-frame. Rejects excess requests (http status code 429 Too many requests). Eg. 200 requests per API consumer/min. Considerations: A. Assume single API endpoint B. Core idea/algorithm that would work on a single machine (single/multi - threaded) C. How would you scale the design for a distributed environment under heavy load Note: Even load balancers or API gateways are distributed, not single instances.
- AWS Services - Explain features of Lambda - EC2 vs Lambda - CI/CD tools - Advantages of React - Explain the Virtual DOM - Why Node? Node vs Express? - How to create a Spring Boot application? - What are the different ways to create a Spring Boot application? - What is Dependency Injection? - What is an Actuator? - Explain Accessibility - Security in Spring Boot - How to ensure code quality in Java? - REST Methods - How to secure APIs in microservices? - Static Scan vs Dynamic Scan - Why CVS? - Monitoring & Telemetry in Spring Boot - Tracing errors for Lambdas - How to track application performance in microservices? - Code Quality Tools - what is Sonarqube and how do you use it
What are the pillars of object orientation? Explain what you understand about SOLID. Explain animations in Flutter. Explain the difference between stateful and stateless widgets. What are the .NET dependency injection cycles? How does .NET manage memory?
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