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Performance testing challenges include identifying bottlenecks, simulating real-world scenarios, and analyzing results.
Identifying bottlenecks in the system
Simulating real-world scenarios to accurately test performance
Analyzing results to identify areas for improvement
Ensuring test environment is representative of production environment
Managing test data and test scripts
Dealing with network latency and other external f...
Monitoring tools and metrics for testing
We use tools like Nagios, Zabbix, and Prometheus for monitoring
Metrics captured include response time, error rate, CPU usage, memory usage, and network traffic
We also capture user behavior metrics like click-through rate and conversion rate
Monitoring helps us identify issues and optimize performance
As a performance tester in my previous company, my roles and responsibilities included analyzing system performance, designing and executing performance tests, identifying bottlenecks, and providing recommendations for improvement.
Analyzed system performance to identify areas of improvement
Designed and executed performance tests to measure system response time and scalability
Identified bottlenecks and performance issue...
What people are saying about HCL Group
I applied via Naukri.com and was interviewed before Apr 2023. There were 2 interview rounds.
HCL Group interview questions for designations
I applied via Approached by Company and was interviewed in Sep 2021. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Aug 2020. There were 3 interview rounds.
I was interviewed in Aug 2024.
posted on 24 Oct 2024
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
Use a hash set to remove duplicates in an array of strings
Create a hash set to store unique elements
Iterate through the array and add each element to the hash set
Convert the hash set back to an array to get the unique elements
React virtual DOM is a lightweight copy of the actual DOM, used for efficient updates and rendering in React applications.
Virtual DOM is a concept where a lightweight copy of the actual DOM is created in memory.
React uses virtual DOM to efficiently update and render components without directly manipulating the actual DOM.
When changes are made to the virtual DOM, React calculates the most efficient way to update the act...
React hooks are functions that let you use state and other React features without writing a class.
React hooks were introduced in React 16.8 to allow functional components to have state and lifecycle methods.
useState() is a hook that allows you to add state to functional components.
useEffect() is a hook that allows you to perform side effects in functional components.
useContext() is a hook that allows you to use the con...
based on 5 interviews
2 Interview rounds
based on 260 reviews
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