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Instant Systems Interview Questions and Answers
18 Interview questions
Git is a version control system used for tracking changes in code, while GitHub is a platform for hosting and collaborating on code repositories.
Git is a distributed version control system that allows multiple developers to work on the same codebase without conflicts.
GitHub is a web-based platform that provides hosting for Git repositories, allowing for collaboration, code review, and issue tracking.
The process ty...
API response codes indicate the status of a request, such as unauthorized access (401), server error (500), or bad gateway (502).
401 Unauthorized: The request requires user authentication or the user does not have proper permissions.
500 Internal Server Error: The server encountered an unexpected condition that prevented it from fulfilling the request.
502 Bad Gateway: The server received an invalid response from an...
A QA engineer's day typically involves testing software, identifying bugs, writing test cases, and collaborating with developers.
Reviewing requirements and specifications
Writing test cases based on requirements
Executing test cases and reporting bugs
Collaborating with developers to resolve issues
Regression testing to ensure fixes are effective
Severity and priority are two important concepts in software testing. Severity refers to the impact of a defect on the system, while priority refers to the order in which defects should be fixed.
Severity is the measure of how serious a defect is in terms of its impact on the system functionality.
Priority is the order in which defects should be fixed, based on factors like business impact, customer requirements, an...
Bug life cycle is the process of identifying, reporting, fixing, retesting, and closing bugs in software development.
Bug identification: QA engineer identifies a bug in the software.
Bug reporting: QA engineer reports the bug to the development team.
Bug fixing: Development team fixes the bug.
Bug retesting: QA engineer retests the bug fix to ensure it is resolved.
Bug closing: QA engineer closes the bug if it is fixe...
Sprint planning is a meeting where the team decides which work items to complete in the upcoming sprint.
Sprint planning involves the team reviewing the product backlog and selecting user stories or tasks to work on during the sprint.
The team estimates the effort required for each selected item and creates a sprint backlog.
The duration of sprint planning is typically 4-8 hours for a 2-week sprint, but can vary base...
Hard assert stops the test execution when a failure occurs, while soft assert continues the test execution after logging the failure.
Hard assert is used when a failure should stop the test immediately.
Soft assert is used when a failure should be logged but the test should continue.
Example: Hard assert - assert.assertEquals(actual, expected); Soft assert - softAssert.assertEquals(actual, expected); softAssert.asser...
Test case template for QA testing
Test case ID
Test case description
Test steps
Expected result
Actual result
Pass/Fail status
Objects in Java can be created using the 'new' keyword, constructors, and factory methods.
Use the 'new' keyword followed by the class name to create an object
Objects can also be created using constructors to initialize the object's state
Factory methods can be used to create objects without exposing the instantiation logic
Count the frequency of characters in a given string.
Iterate through the string and use a hash map to store the count of each character.
Initialize the count of each character to 0 and increment it as you encounter the character.
Finally, iterate through the hash map to get the frequency of each character.
Instant Systems Interview Experiences
13 interviews found
Anonymous
Selected
I appeared for an interview in Jan 2025.
(4 Questions)
- Q1. Questions were asked regarding the Quality Assurance process?
- Q2. What is API response code(401, 500, 502)
- Ans.
API response codes indicate the status of a request, such as unauthorized access (401), server error (500), or bad gateway (502).
401 Unauthorized: The request requires user authentication or the user does not have proper permissions.
500 Internal Server Error: The server encountered an unexpected condition that prevented it from fulfilling the request.
502 Bad Gateway: The server received an invalid response from an upst...
- Q3. What is bug life cycle
- Ans.
Bug life cycle is the process of identifying, reporting, fixing, retesting, and closing bugs in software development.
Bug identification: QA engineer identifies a bug in the software.
Bug reporting: QA engineer reports the bug to the development team.
Bug fixing: Development team fixes the bug.
Bug retesting: QA engineer retests the bug fix to ensure it is resolved.
Bug closing: QA engineer closes the bug if it is fixed and...
- Q4. What are the differences between severity and priority, and can you provide examples of each?
- Ans.
Severity and priority are two important concepts in software testing. Severity refers to the impact of a defect on the system, while priority refers to the order in which defects should be fixed.
Severity is the measure of how serious a defect is in terms of its impact on the system functionality.
Priority is the order in which defects should be fixed, based on factors like business impact, customer requirements, and dea...
(3 Questions)
- Q1. What's a day to day work flow of a qa
- Ans.
A QA engineer's day typically involves testing software, identifying bugs, writing test cases, and collaborating with developers.
Reviewing requirements and specifications
Writing test cases based on requirements
Executing test cases and reporting bugs
Collaborating with developers to resolve issues
Regression testing to ensure fixes are effective
- Q2. What is sprint planning, and what is its typical duration?
- Ans.
Sprint planning is a meeting where the team decides which work items to complete in the upcoming sprint.
Sprint planning involves the team reviewing the product backlog and selecting user stories or tasks to work on during the sprint.
The team estimates the effort required for each selected item and creates a sprint backlog.
The duration of sprint planning is typically 4-8 hours for a 2-week sprint, but can vary based on ...
- Q3. What do you know about the project you will be working on, and how thoroughly have you researched it?
- Ans.
I have thoroughly researched the project and understand its goals and requirements.
Researched project documentation, including requirements, design documents, and test plans
Participated in project meetings to gain insights into project scope and objectives
Reviewed existing codebase and conducted test runs to familiarize myself with the system
Collaborated with team members to discuss project details and clarify any unce...
Skills evaluated in this interview
Mohd daniyal ashraf
Selected
I appeared for an interview in Dec 2024.
Topic: Online vs Offline Education.
They gave us 8 coding problems and instructed us to solve 5 within a time limit of 1 hour and 30 minutes; all problems were from the easy and medium on LeetCode.
(2 Questions)
- Q1. Data Structures and Algorithms (DSA), time complexity, and the explanation of code written during the coding round.
- Q2. Question from the Core java.
(2 Questions)
- Q1. In-depth question from DSA like implement linked-list and stack, questions from Tree and linear and binary search.
- Q2. Explanation of college projects and questions from resume.
(1 Question)
- Q1. Simple HR questions.
Interview Preparation Tips
Selected
I appeared for an interview in Jan 2025.
(3 Questions)
- Q1. Asked different question from Mysql like queries, commands,keys etc.?
- Q2. Asked different question from html, css, javascript?
- Q3. What is git and github uses and process also?
- Ans.
Git is a version control system used for tracking changes in code, while GitHub is a platform for hosting and collaborating on code repositories.
Git is a distributed version control system that allows multiple developers to work on the same codebase without conflicts.
GitHub is a web-based platform that provides hosting for Git repositories, allowing for collaboration, code review, and issue tracking.
The process typical...
Interview Preparation Tips
Selected
I appeared for an interview in May 2025, where I was asked the following questions.
- Q1. Why do you want to work in this company
- Ans.
I am drawn to this company for its commitment to employee growth and innovative learning solutions that align with my career goals.
The company's strong focus on continuous learning resonates with my passion for professional development.
I admire the innovative training programs that have received industry recognition, such as the recent award for best onboarding experience.
The collaborative culture here encourages knowl...
- Q2. Why should we hire you
- Ans.
I bring a unique blend of skills, experience, and passion for learning that aligns perfectly with your organization's goals.
Proven track record in developing engaging training programs that increased employee retention by 20%.
Strong communication skills, demonstrated through successful facilitation of workshops for diverse audiences.
Experience in utilizing various learning technologies, such as LMS platforms, to enhanc...
- Q3. How do you handle stress or pressure
- Ans.
I manage stress by prioritizing tasks, practicing mindfulness, and maintaining open communication with my team.
Prioritization: I create a to-do list to focus on urgent tasks first, ensuring I meet deadlines without feeling overwhelmed.
Mindfulness: I practice deep breathing exercises during breaks to clear my mind and regain focus.
Open Communication: I discuss challenges with my team, which helps in sharing the workload...
- Q4. Tell me about a time you solved a problem
- Ans.
I resolved a training gap by developing a new onboarding program that improved employee performance and engagement.
Identified a lack of structured onboarding for new hires.
Conducted surveys to gather feedback from recent employees.
Collaborated with department heads to understand specific training needs.
Developed a comprehensive onboarding program that included mentorship and resources.
Implemented the program and monito...
- Q5. How do you work in a team
- Ans.
I thrive in team environments by fostering collaboration, open communication, and leveraging diverse skills to achieve common goals.
I actively listen to team members' ideas and feedback, ensuring everyone feels valued.
I contribute my strengths, such as project management, to help organize tasks effectively.
For example, in a recent project, I facilitated brainstorming sessions that led to innovative solutions.
I encourag...
Interview Preparation Tips
General introduction about yourself
It was quiet tough but interesting.
(2 Questions)
- Q1. Difference between method overloading and overriding, Explain by code example
- Ans.
Method overloading is having multiple methods in the same class with the same name but different parameters. Method overriding is having a method in a subclass with the same name and parameters as a method in the superclass.
Method overloading is achieved within the same class by having multiple methods with the same name but different parameters.
Method overriding occurs in a subclass when a method has the same name and...
- Q2. Prepare test case template
- Ans.
Test case template for QA testing
Test case ID
Test case description
Test steps
Expected result
Actual result
Pass/Fail status
(2 Questions)
- Q1. Logical question
- Q2. Explain hard and soft assert
- Ans.
Hard assert stops the test execution when a failure occurs, while soft assert continues the test execution after logging the failure.
Hard assert is used when a failure should stop the test immediately.
Soft assert is used when a failure should be logged but the test should continue.
Example: Hard assert - assert.assertEquals(actual, expected); Soft assert - softAssert.assertEquals(actual, expected); softAssert.assertAll(...
(2 Questions)
- Q1. Logical question
- Q2. Validation and verification model, agile methodology
Interview Preparation Tips
Skills evaluated in this interview
Selected
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. What is TA?
- Ans.
Talent Acquisition (TA) is the strategic process of identifying, attracting, and hiring top talent for an organization.
TA involves understanding the organization's hiring needs and culture.
It includes sourcing candidates through various channels like job boards, social media, and networking.
TA professionals conduct interviews and assessments to evaluate candidates' skills and fit.
They also manage the candidate experien...
- Q2. How do you select candidates?
- Ans.
I select candidates through a structured process focusing on skills, cultural fit, and potential for growth.
Define clear job requirements and qualifications to attract the right candidates.
Utilize behavioral interview techniques to assess past experiences and problem-solving abilities.
Incorporate assessments or tests relevant to the role, such as coding challenges for tech positions.
Evaluate cultural fit by discussing ...
Selected
I applied via Recruitment Consulltant and was interviewed in Mar 2024. There were 3 interview rounds.
Aptitude test was the mixture of common aptitude questions along with sql, basic javascript and java language basic questions and couple of simple coding questions like febinachi series, palindrom pattern etc .
(2 Questions)
- Q1. They started from basic of java and some frameworks like springboot and then moved to advance of these topics.
- Q2. Springboot annotations Opps concept run-time and compile time polimorphisam SQL quesries for Select and Joins
(2 Questions)
- Q1. Level 2 interview from the same topics along with abstraction and interface Constructor overriding is possible or not? dependency injection
- Q2. Ways to create object in java.
- Ans.
Objects in Java can be created using the 'new' keyword, constructors, and factory methods.
Use the 'new' keyword followed by the class name to create an object
Objects can also be created using constructors to initialize the object's state
Factory methods can be used to create objects without exposing the instantiation logic
Interview Preparation Tips
- java
- sql
- opps
- springboot
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Dec 2023. There were 4 interview rounds.
There was basic GD topic
(1 Question)
- Q1. Google form was shared in which 15 questions were there and 3 were apti questions (work ,time ,speed) and others were from java programming and the time given was 2 hours.
(1 Question)
- Q1. In this only you will be asked theoretical questions like DBMS, JAVA, Programming, Your Project for programming he will ask only logic and will not ask you to code.
(4 Questions)
- Q1. Count the number of words and their frequency
- Ans.
Count the number of words and their frequency
Split the given text into words using whitespace as delimiter
Create a dictionary to store the word frequency
Iterate through each word and update the frequency in the dictionary
Return the dictionary with word frequency
- Q2. Count frequency of characters.
- Ans.
Count the frequency of characters in a given string.
Iterate through the string and use a hash map to store the count of each character.
Initialize the count of each character to 0 and increment it as you encounter the character.
Finally, iterate through the hash map to get the frequency of each character.
- Q3. Reversing the array
- Ans.
Reverses an array of strings
Use a loop to iterate through half of the array
Swap the elements at the current index with the corresponding element from the end of the array
- Q4. Implementing the comparator function for sorting
- Ans.
Implementing the comparator function for sorting an array of strings.
Use the built-in sort() function in most programming languages.
Define a custom comparator function that compares two strings.
Return a negative value if the first string should come before the second, a positive value if it should come after, and 0 if they are equal.
Example: ['apple', 'banana', 'cherry'] can be sorted in alphabetical order using the co...
Interview Preparation Tips
he was asking the same questions from everyone he [prem kumar ] knew only 2-3 programming questions and the same questions were asked to each of us some of the boys were asked only 1 questions and he left the meeting by saying "better luck next time".
Skills evaluated in this interview
Swapnil Madan
Selected
I appeared for an interview in Dec 2024, where I was asked the following questions.
- Q1. Scrum principles , Agile principles
- Q2. Team management
I applied via Monster
In a group of 8 people. They gave us topic on Online & Offline Education. I just say be speak boldly
Tricky but easy. Coding remains the same as we have done many times.
(2 Questions)
- Q1. List, Tuples, Dictionary, Set, Binary search, LinkedList..
- Q2. I prefer you to do Edureka’s top 100 python interview Q&A then it will be easy to crack interview
Interview Preparation Tips
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