Cognizant Senior Associate Interview Questions and Answers

Implemented a studio project involving virtual reality technology for immersive training experiences.

• Developed interactive VR simulations for training purposes

• Integrated motion tracking technology for realistic user interactions

• Collaborated with subject matter experts to ensure accuracy and effectiveness

• Utilized Unity3D and Unreal Engine for development

• Implemented user feedback mechanisms for continuous improvement

Both PICOF and PECI are recommendable depending on the specific context and requirements.

• PICOF (Population, Intervention, Comparison, Outcome, Follow-up) is commonly used in research to formulate clinical questions and design studies.

• PECI (Population, Exposure, Comparison, Outcome) is another framework used in epidemiology and public health research.

• Choose PICOF for clinical research questions and PECI for epidemiologi...read more

The life cycle of an implementation project involves planning, execution, monitoring, and closure.

• Initiation: Define project scope, objectives, and stakeholders.

• Planning: Develop project plan, schedule, and budget.

• Execution: Implement project plan and deliverables.

• Monitoring: Track progress, manage risks, and make adjustments as needed.

• Closure: Finalize project deliverables, obtain client acceptance, and hand over proj...read more

Yes, I am able to work night shifts and understand their importance in maintaining operational efficiency.

• I have experience working night shifts in my previous role, which helped me adapt to different schedules.

• I understand that night shifts can be challenging, but I prioritize self-care to maintain productivity.

• In my last job, I collaborated with a team during night shifts to ensure seamless communication and workflow...read more

I am a highly motivated and experienced professional with a strong background in project management and team leadership.

• Over 8 years of experience in project management

• Proven track record of successfully leading cross-functional teams

• Strong communication and interpersonal skills

• Proficient in budget management and resource allocation

Automation framework is a set of guidelines, best practices, tools, and libraries used to automate testing of software applications.

• Automation framework provides structure and guidelines for writing and executing automated tests.

• It helps in organizing test scripts, managing test data, and generating test reports.

• Examples of automation frameworks include Selenium, TestNG, and Robot Framework.

Hooks are functions that allow developers to use state and other React features in functional components.

• Hooks were introduced in React 16.8 to allow developers to use state and other React features in functional components.

• Some commonly used hooks include useState, useEffect, useContext, and useReducer.

• Hooks are used to manage component state, perform side effects, and access context in functional components.

• Hooks are...read more

Project structure refers to the organization of tasks, resources, and timelines within a project.

• Project structure outlines the hierarchy of tasks and subtasks within a project

• It includes defining roles and responsibilities of team members

• Project structure also involves setting timelines and milestones for completion

• Examples of project structures include waterfall, agile, and hybrid methodologies

Redux flow is a predictable state container for JavaScript apps.

• Actions are dispatched to the store

• Reducers specify how the state changes in response to actions

• Store holds the state of the application

• Components subscribe to the store to get updates

Promises and callback hell are concepts in asynchronous programming where nested callbacks can lead to unreadable and difficult to maintain code.

• Promises are objects representing the eventual completion or failure of an asynchronous operation. They help in handling asynchronous operations in a more organized and readable way.

• Callback hell refers to the situation where multiple nested callbacks are used to handle asynch...read more

Find the second largest element in an array of strings.

• Convert the strings to integers for comparison.

• Sort the array in descending order.

• Return the second element in the sorted array.

Remove zeros from array of strings

• Iterate through the array and filter out any strings that contain '0'

• Create a new array with the filtered strings

Override MUI classes by using the makeStyles function provided by Material-UI

• Create a custom styles object using makeStyles function

• Override specific classes by targeting them in the styles object

• Apply the custom styles to the component using the className prop

Use Java 8 Stream API to identify duplicate characters in a given string efficiently.

• Convert the string to a stream of characters using `chars()` method.

• Group the characters using `Collectors.groupingBy()` to count occurrences.

• Filter the groups to find characters with a count greater than 1.

• Collect the results into a list or set for easy retrieval.

LiveData is lifecycle-aware, while Kotlin Flows are cold streams that can emit multiple values over time.

• LiveData is lifecycle-aware, meaning it only updates active observers, preventing memory leaks.

• Kotlin Flows are cold streams, meaning they don't emit values until collected, allowing for more control over data emissions.

• LiveData is primarily used for UI-related data, while Flows can handle both UI and non-UI data st...read more

Coroutines are a programming construct that allows for cooperative multitasking and asynchronous programming within a defined scope.

• Asynchronous Execution: Coroutines enable non-blocking execution, allowing other tasks to run while waiting for I/O operations to complete.

• Suspension: Coroutines can be paused and resumed, which helps manage long-running operations without blocking the main thread.

• Scope Management: Corouti...read more