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MVC stands for Model-View-Controller. It is a software design pattern used to separate the application logic into three interconnected components.
Model represents the data and business logic of the application.
View is responsible for displaying the data to the user.
Controller acts as an intermediary between Model and View, handling user input and updating the Model.
MVC helps in organizing code, improving maintainabilit...
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I was interviewed in Jan 2025.
posted on 4 Feb 2025
I was interviewed in Jan 2025.
Yes, open for fixed term hire and working from client location at Gurgaon for 3 days a week.
Open for fixed term hire
Willing to work from client location at Gurgaon for 3 days a week
Implemented automated testing using Selenium WebDriver and JUnit in Agile environment
Implemented automated testing framework using Selenium WebDriver
Utilized JUnit for test case management
Worked in Agile environment to ensure continuous testing and integration
Pilot testing is done by a small group of users before the full release, while beta testing is done by a larger group of users. Automation testing can be used for regression testing, smoke testing, and performance testing.
Pilot testing involves a small group of users testing the functionality in a controlled environment.
Beta testing involves a larger group of users testing the functionality in a real-world environment.
...
Primary key uniquely identifies a record, while unique key allows only one instance of a value in a column. Query to find last id involves using ORDER BY and LIMIT.
Primary key enforces uniqueness and not null constraint on a column
Unique key enforces uniqueness but allows null values
To find row with last id, use ORDER BY id DESC LIMIT 1 in SQL query
Software Testing Life Cycle (STLC) involves planning, designing, executing, and reporting on tests. Defect Life Cycle includes identification, logging, fixing, and retesting defects.
STLC includes requirements analysis, test planning, test design, test execution, and test closure.
Defect Life Cycle involves defect identification, defect logging, defect fixing, defect retesting, and defect closure.
STLC ensures that the so...
303 status code in API means 'See Other'. PUT method is used to update data, while DELETE method is used to remove data. 3 point estimation technique in Agile is used to estimate tasks.
303 status code indicates that the resource can be found at a different URI and should be retrieved from there
PUT method is used to update an existing resource in the API
DELETE method is used to remove a resource from the API
3 point esti...
Links and labels that can be tagged to a bug in Jira
Links: related issues, documents, websites
Labels: priority, severity, type, status
Shell scripting is a way to automate tasks in Unix/Linux systems. Grep is used to search for specific patterns in text files. Href is not a standard Unix command.
Shell scripting automates tasks by writing scripts in a Unix/Linux environment
Grep command is used to search for specific patterns in text files
Example: grep 'search_pattern' file.txt
Href is not a standard Unix command, it may be a typo or a custom script
To resolve conflict with a team member, communication is key. Prioritize understanding, address the issue calmly, find common ground, and work towards a solution together.
Listen to the team member's perspective and concerns
Communicate openly and calmly about the issue
Find common ground and areas of agreement
Work together to find a solution that benefits both parties
Seek input from other team members or a mediator if ne
Open to relocating to Bangalore, working in night shifts, long hours, and 24X7 culture. Goal is to excel in automation testing.
Yes, open to relocating to Bangalore and working from client's office
Yes, open to working in night/rotational shifts
Yes, open to working in long extendable hours or 24X7 culture
Goal is to excel in automation testing
posted on 2 Feb 2025
I was interviewed in Jan 2025.
A case study in an Optum interview typically revolves around solving a real-world problem related to healthcare, data analysis, technology, or business strategy, given Optum’s focus on healthcare services and technology solutions. Here are some tips on how to approach a case study interview at Optum and a sample example:
Steps to Approach an Optum Case Study:
1. Understand the Problem Statement:
Take time to read the case study carefully and make sure you understand the key issue or question.
Identify the stakeholders involved (patients, healthcare providers, insurance companies, etc.) and the objective (cost reduction, improving patient outcomes, increasing efficiency, etc.).
2. Clarify Assumptions:
If there are any ambiguous elements, ask questions to clarify the problem.
You can also state your assumptions if you're making any, but be clear that these are assumptions.
3. Break Down the Problem:
Identify key data points you would need to analyze.
Break the problem into smaller pieces that can be addressed step-by-step.
4. Analyze:
Use frameworks like SWOT analysis, PESTLE analysis, or Porter’s Five Forces if applicable to the case.
In case of a data-related problem, try to identify key metrics (such as patient satisfaction, cost, quality of care, etc.) and how they can be improved or measured.
For technology-related cases, consider aspects like scalability, security, user experience, and integration with existing systems.
5. Propose a Solution:
Present your findings logically and suggest a solution based on your analysis.
Make sure to consider both short-term and long-term impacts on patient
Computer typing should be 40 wpm. And optional question answer multiple choice questions
posted on 30 Jan 2025
I was interviewed in Dec 2024.
Basic quant and reasoning questions
Selenium MCQ
Java programs with MCQ
The driver is typically initialized in the setup method of a test automation framework.
Driver initialization is usually done in a setup method before test execution.
Commonly used methods for driver initialization include WebDriverManager, System.setProperty, and driver instantiation.
Example: WebDriverManager.chromedriver().setup();
Driver can be both static and non-static depending on the context of its usage.
Driver class can be static if it is used to initiate the WebDriver instance in a test automation framework.
Driver class can be non-static if it is used as an instance variable within a test class.
Static driver can be accessed directly without creating an object of the class.
Non-static driver requires an object of the class to be created befo
Static variables belong to the class itself, while non-static variables belong to instances of the class.
Static variables are shared among all instances of a class
Non-static variables are unique to each instance of a class
Static variables are initialized only once, at the start of the program
Non-static variables are initialized separately for each instance of the class
Static and non-static have their own disadvantages in QA automation testing.
Static methods cannot be overridden or inherited, making it difficult to create flexible test cases.
Non-static methods require an instance of the class to be created, which can lead to increased memory usage.
Static methods can lead to tight coupling between classes, making it harder to maintain and update the code.
Non-static methods may have de...
TestNG allows parallel execution of test cases to save time and improve efficiency.
TestNG provides the 'parallel' attribute in the testng.xml file to specify the level of parallelism for test execution.
Parallel execution can be achieved at the test level, class level, method level, or suite level.
TestNG also supports parallel execution of tests across multiple classes or suites using the 'parallel' attribute in the sui...
Parallel testing in TestNG allows running tests concurrently for faster execution.
Use 'parallel' attribute in testng.xml file to specify parallel execution mode.
Set 'parallel' attribute to 'methods', 'classes', or 'tests' based on the level of parallelism needed.
Example: <suite name='MySuite' parallel='tests'>
Use 'thread-count' attribute to specify the number of threads to use for parallel execution.
Parallel methods run multiple methods concurrently within a single test, while parallel tests run multiple tests concurrently.
Parallel methods execute multiple methods within a single test class concurrently.
Parallel tests execute multiple test classes concurrently.
Parallel methods are useful for speeding up the execution of a single test, while parallel tests are useful for running multiple tests faster.
Example: Runni...
Use Rest Assured to upload a file
Use the given file path to create a File object
Use MultiPartSpecBuilder to build the request with the file
Send the request using Rest Assured's given(), when(), and post() methods
The parameter for a POST method in Postman is typically sent in the request body.
Parameters are sent in the request body in key-value pairs
Parameters can be sent as form-data, x-www-form-urlencoded, or raw JSON
Example: {"key": "value"}
Cucumber knows the step definition file based on the annotations provided in the feature files.
Cucumber uses annotations like @Given, @When, @Then to map steps in feature files to corresponding step definition methods.
Step definition files are typically placed in a separate package or directory within the project structure.
Cucumber scans the project directory for step definition files based on the package structure and
Parameters used in cucumber are used to pass values to the step definitions in feature files.
Parameters are defined in feature files using < > syntax
Parameters can be passed to step definitions using Regular Expressions
Parameters can be used to make scenarios more reusable and dynamic
Datatable in Cucumber is used to pass multiple sets of data to a step definition in a scenario.
Datatables are defined using pipes (|) to separate values
Each row in the datatable represents a set of data passed to the step definition
Datatables can be used for parameterization and data-driven testing
Yes, I have created the test plan document at the start of the project.
Yes, I always create a test plan document at the beginning of a project to outline the testing approach and strategy.
The test plan document includes details on scope, objectives, resources, schedule, and test cases.
It helps in ensuring that all stakeholders are aligned on the testing process and expectations.
For example, in my previous project, I cr...
During the initial testing cycle of a project, focus is on establishing test cases, setting up test environments, and identifying potential issues.
Creating test cases based on requirements
Setting up test environments
Identifying potential issues and risks
Executing test cases and reporting defects
Collaborating with developers to resolve issues
Fibonacci sequence is a mathematical pattern where each number is the sum of the two preceding ones.
Fibonacci sequence is a series of numbers where each number is the sum of the two preceding ones.
The sequence starts with 1, 2, then each subsequent number is the sum of the two previous numbers (1+2=3, 2+3=5, 3+5=8, and so on).
This sequence is used in estimating because it reflects natural growth patterns found in natur
Testing matrix is a tool used to track test coverage and automation ROI is the return on investment from implementing automation testing.
Testing matrix is a visual representation of test cases, test scenarios, and their coverage across different platforms, browsers, devices, etc.
Automation ROI is the measure of the benefits gained from automation testing compared to the costs incurred in implementing and maintaining th...
posted on 7 Feb 2025
I was interviewed in Aug 2024.
I applied via LinkedIn and was interviewed in Dec 2024. There was 1 interview round.
Led a team in implementing a new CRM system for a large retail company
Managed project timeline and deliverables
Collaborated with stakeholders to gather requirements
Provided training and support to end users
Ensured successful implementation and user adoption
Improved customer data management and analytics
I have over 10 years of experience working with various companies in consulting roles.
Managed client relationships and delivered successful projects on time and within budget
Led cross-functional teams to drive business growth and improve operational efficiency
Developed and implemented strategic plans to address client needs and achieve objectives
Kafka is chosen for its scalability and fault tolerance compared to MQ.
Kafka offers higher throughput and lower latency compared to MQ.
Kafka is horizontally scalable, allowing for easy expansion as data volume grows.
Kafka provides fault tolerance through replication of data across multiple brokers.
Challenges faced during Kafka implementation may include setting up proper configurations, ensuring data consistency, and m...
Monolith to microservice migration involves breaking down a large application into smaller, independent services.
Evaluate the current monolith architecture and identify the components that can be decoupled into microservices.
Define the boundaries of each microservice to ensure they are cohesive and loosely coupled.
Choose the right technology stack for each microservice based on its requirements and scalability needs.
Im...
Swagger is a tool used for documenting and testing REST APIs.
Swagger is used for documenting REST APIs by providing a user-friendly interface to view and interact with API endpoints.
It allows developers to easily understand the functionality of an API, including available endpoints, request/response formats, and authentication methods.
Swagger documentation typically includes information such as API endpoints, request p...
I was interviewed in Jan 2025.
posted on 10 Oct 2024
I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.
SAP tools for migrating SAP systems from on-premise to cloud include SAP Advanced Data Migration, SAP Cloud Platform Migration Service, and SAP Transformation Navigator.
SAP Advanced Data Migration: tool for migrating data from on-premise systems to cloud
SAP Cloud Platform Migration Service: helps in migrating applications and workloads to the cloud
SAP Transformation Navigator: tool for planning and executing system mig
During export using export/import method for migration, files like data files, control files, and log files will be created.
Data files containing the actual data being exported
Control files containing information about the export process
Log files recording the activities and errors during the export
Examples: .dmp, .ctl, .log files
Parallel export/import allows multiple processes to export/import data simultaneously for faster migration/conversion.
Parallel export/import splits the data into multiple parts and processes them concurrently.
It helps in reducing the overall time taken for data migration/conversion.
Parallel export/import requires careful planning to avoid conflicts and ensure data consistency.
Examples include using SAP tools like R3loa...
SUM will use a single SUM tool for the migration from SQL DB on Windows to HANA DB on Linux.
SUM tool is platform-independent and can be used for migrations between different operating systems.
The SUM tool will handle the conversion process seamlessly without the need for separate tools for Windows and Linux.
The migration process will involve steps to convert the database from SQL to HANA while also transitioning the op
No, EHP 5 cannot run on Oracle 19C.
EHP 5 is not certified to run on Oracle 19C.
Compatibility issues may arise if trying to run EHP 5 on Oracle 19C.
It is recommended to check SAP's official compatibility matrix for supported configurations.
SPDD is for modifying dictionary objects, SPAU is for modifying repository objects.
SPDD is used for modifying dictionary objects like tables, views, and data elements.
SPAU is used for modifying repository objects like programs, function modules, and screens.
SPDD changes are transportable across systems, SPAU changes are not transportable.
SPDD changes are typically related to data dictionary objects, SPAU changes are re...
Skipping SPDD in preprocessing is not recommended as it can lead to inconsistencies in the system.
No, SPDD should not be skipped in preprocessing as it is a crucial step in handling modifications to the ABAP Dictionary objects during an upgrade or migration.
Skipping SPDD can result in inconsistencies between the data dictionary and the ABAP programs, leading to runtime errors and system issues.
SPDD is responsible for a...
SPDD is performed before execution phase to adjust dictionary objects, while SPAU is performed after execution to adjust repository objects.
SPDD is performed before execution phase to adjust dictionary objects to the new release of SAP system.
SPAU is performed after execution to adjust repository objects like programs, function modules, screens, etc.
SPDD helps in adjusting the data dictionary objects to the new release...
Yes, SPAU can be performed before execution.
SPAU can be performed to adjust modifications before executing a system upgrade or migration.
It allows for resolving any inconsistencies in custom objects before the actual upgrade.
Performing SPAU beforehand can help streamline the upgrade process and reduce downtime.
It is recommended to review and adjust modifications using SPAU prior to the upgrade to ensure a smooth transi
The export/import process in SWPM is performed using the R3load tool.
R3load tool is used for exporting and importing data during system migrations/conversions.
Export/import process involves extracting data from source system and loading it into target system.
R3load tool is part of Software Provisioning Manager (SWPM) toolset.
Export/import process is crucial for transferring SAP system data between systems.
Files can be shipped in parallel export/import using tools like Rsync, SCP, FTP, or cloud storage services.
Use tools like Rsync for efficient file transfer
SCP (Secure Copy Protocol) can be used for secure file transfer
FTP (File Transfer Protocol) is another option for transferring files
Utilize cloud storage services like AWS S3 or Google Cloud Storage for large file transfers
No, backup of HANA 1.0 cannot be restored on HANA 2.0 due to compatibility issues.
Backup of HANA 1.0 is not compatible with HANA 2.0 due to differences in architecture and features.
Data structures and formats may have changed between the two versions, leading to potential data corruption if restored.
It is recommended to perform a system copy or migration instead of trying to restore a backup from HANA 1.0 to HANA 2.0.
Shadow instances are used for testing and validation purposes before making changes to the production system.
Shadow instances allow for testing system changes without impacting the production environment.
They are used to validate migration or conversion processes before applying them to the live system.
Helps in identifying any potential issues or errors that may arise during the actual migration/conversion.
Provides a s...
Shadow instance is created for system copy or migration, requires extra space, stored in database tables.
Shadow instance is created using software tools like SAP SWPM (Software Provisioning Manager) during system copy or migration.
It is created on the same server as the original instance, but with a different SID (System ID).
Extra space required for shadow instance depends on the size of the original instance and the d...
SAP HANA and Sybase do not create additional tablespaces during upgrade like Oracle.
SAP HANA and Sybase do not follow the same approach as Oracle in creating additional tablespaces during upgrade.
In SAP HANA, data is stored in memory and does not require separate tablespaces like Oracle.
Sybase also does not create additional tablespaces during upgrade, as it follows a different database structure.
Both SAP HANA and Syba...
Yes, it is possible to upgrade without creating a Shadow instance.
Upgrade can be performed directly on the existing instance without the need for a Shadow instance.
This approach may save time and resources by avoiding the creation of a separate instance for the upgrade process.
However, it is important to carefully plan and execute the upgrade to minimize risks and ensure a successful outcome.
HANA Topology refers to the layout and configuration of SAP HANA systems and components.
HANA Topology includes the distribution of HANA instances across multiple hosts.
It also involves the configuration of high availability and disaster recovery setups.
Different HANA Topologies include single host, multi-host, scale-out, and distributed systems.
Topology decisions impact performance, scalability, and availability of the
Setting up SSO for SAP and HANA involves configuring trust between systems and enabling authentication mechanisms.
Configure trust between SAP and HANA systems
Enable SAML (Security Assertion Markup Language) for authentication
Implement Single Sign-On (SSO) using SAML tokens
Use SAP Cloud Identity or other identity providers for SSO setup
SAP S/4HANA conversion involves migrating from SAP ERP to the next-generation S/4HANA platform.
Understanding the differences between SAP ERP and S/4HANA
Assessing system landscape and data readiness for conversion
Executing the migration process with minimal downtime
Validating and testing the converted system for functionality and performance
Training end-users on the new S/4HANA system
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