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I applied via Referral and was interviewed before Sep 2021. There were 4 interview rounds.
SDLC stands for Software Development Life Cycle. It is a process used to develop software applications.
SDLC is a systematic approach to software development.
It consists of several phases including requirements gathering, design, coding, testing, and maintenance.
There are various SDLC models such as Waterfall, Agile, Spiral, and V-Model.
Waterfall model follows a linear sequential approach where each phase is completed b...
Defect life cycle is the process of identifying, reporting, fixing, and verifying defects in software.
Defect is identified by testers during testing
Defect is reported to development team
Development team fixes the defect
Fixed defect is verified by testers
If defect is not fixed, it goes back to development team
If defect is fixed, it is closed
STLC stands for Software Testing Life Cycle which is a process of testing software from planning to deployment.
STLC involves several phases such as requirement analysis, test planning, test case development, test execution, and test closure.
Each phase has its own set of activities and deliverables.
STLC helps to ensure that the software is thoroughly tested and meets the quality standards.
STLC is an iterative process an...
SQL query to display the total number of students whose names start with 'A' from the child details table.
Use the SELECT statement to retrieve data from the table.
Use the COUNT function to count the number of rows that meet the condition.
Use the LIKE operator with the pattern 'A%' to match names starting with 'A'.
Joins are used to combine data from two or more tables based on a related column.
Types of joins: Inner join, Left join, Right join, Full outer join
Inner join returns only the matching rows from both tables
Left join returns all the rows from the left table and matching rows from the right table
Right join returns all the rows from the right table and matching rows from the left table
Full outer join returns all the rows f...
Test cases are specific inputs and expected outputs for a single functionality, while test scenarios are a collection of test cases that cover a broader functionality.
Test cases are detailed steps to verify a specific functionality
Test scenarios are a collection of test cases that cover a broader functionality
Test cases are usually written by testers
Test scenarios are usually written by business analysts or product own...
Boundary value analysis is a testing technique to identify errors at the boundaries of input values.
For User ID field, test with values just below the minimum limit, at the minimum limit, just above the maximum limit, and at the maximum limit
For Password field, test with values just below the minimum limit, at the minimum limit, just above the maximum limit, and at the maximum limit
Ensure that the system handles these ...
API testing is a type of software testing that involves testing APIs directly and verifying their functionality, reliability, performance, and security.
API testing involves testing the communication between different software systems
It verifies the functionality, reliability, performance, and security of APIs
API testing can be performed using tools like Postman, SoapUI, and JMeter
API testing can be automated using scri
Performance testing is the process of evaluating the speed, responsiveness, stability, and scalability of a software application.
Types of performance testing include load testing, stress testing, endurance testing, and spike testing.
Load testing checks the application's performance under normal and peak loads.
Stress testing evaluates the application's performance under extreme conditions.
Endurance testing checks the ap...
Functional testing checks if the system meets requirements while non-functional testing checks system performance.
Functional testing checks if the system meets requirements while non-functional testing checks system performance.
Functional testing is concerned with what the system does while non-functional testing is concerned with how well the system does it.
Functional testing includes unit testing, integration testing...
Test planning is the process of defining the scope, objectives, and approach for testing a software application.
Identifying the testing objectives
Defining the scope of testing
Determining the testing approach
Creating a test plan document
Assigning roles and responsibilities
Estimating the testing effort
Identifying test deliverables
Defining the test environment
Identifying test data requirements
Approach to handle a blocker defect just before release and convincing the developer to fix it.
Assess the impact of the defect on the release and prioritize it accordingly
Provide clear and concise information about the defect to the developer
Explain the potential risks and consequences of not fixing the defect
Collaborate with the developer to find a solution and provide support if needed
Highlight the importance of meet...
White box testing involves testing the internal structure of the software while black box testing involves testing the functionality without knowledge of the internal structure.
White box testing: unit testing, integration testing, code coverage testing
Black box testing: functional testing, system testing, acceptance testing
White box testing is also known as clear box testing or glass box testing
Black box testing is als...
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posted on 31 Jan 2025
Palindrome,sql queries
I applied via Recruitment Consulltant and was interviewed in Feb 2023. There were 5 interview rounds.
Basic testing mcq questions
The exam duration is one and a half hours.
The total exam time is one and a half hours.
It encompasses all topics related to full stack development.
In two years, I see myself as a senior software developer leading a team on innovative projects.
Advancing to a senior software developer role
Leading a team on new and innovative projects
Continuing to enhance my technical skills through ongoing learning and training
LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.
Implement using a doubly linked list and a hashmap for efficient operations
When an item is accessed, move it to the front of the list
When the cache is full, remove the least recently used item from the end of the list
I applied via Naukri.com
useRef hook is used to persist a mutable value across renders without causing a re-render.
Used to store mutable values that do not trigger re-renders.
Commonly used for accessing DOM elements or storing previous values.
Does not cause a re-render when the value changes.
Use memoization, virtual DOM, and shouldComponentUpdate to avoid unnecessary rerenders and improve performance.
Implement memoization to store the result of expensive function calls and avoid recalculating them.
Use virtual DOM to efficiently update only the parts of the UI that have changed.
Override shouldComponentUpdate to prevent unnecessary rerenders by comparing current and next props/state.
Callbacks, Promises, async await are asynchronous programming concepts in JavaScript.
Callbacks are functions passed as arguments to another function to be executed later.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
async await is a syntax for writing asynchronous code that looks synchronous, making it easier to read and maintain.
Example: Using a callback to handle th...
I applied via Instahyre and was interviewed in Nov 2024. There were 2 interview rounds.
Easy to medium questions, Questions on DSA and Node.js.
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed in Jul 2024. There were 4 interview rounds.
It was a coding round where i need to solve 3 DSA Questions in 1.5 hour
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