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Cognizant
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Upgrade WAS version involves planning, testing, and executing the upgrade process.
Create a backup of the existing environment
Review the system requirements for the new version
Plan the upgrade process including downtime and rollback strategy
Test the upgrade in a non-production environment
Execute the upgrade following vendor documentation
Verify the upgrade and test the application functionality
What people are saying about Cognizant
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
The event loop is a programming construct that handles and dispatches events in a non-blocking manner.
The event loop is responsible for handling and dispatching events in an application.
It allows for non-blocking I/O operations by efficiently managing multiple events.
The reactor pattern is a design pattern that uses an event loop to handle and dispatch events.
The event loop has several phases: event registration, event...
Cognizant interview questions for designations
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
Get interview-ready with Top Cognizant Interview Questions
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
I applied via Naukri.com and was interviewed in Dec 2022. There were 2 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Sep 2023. There were 3 interview rounds.
Real-time scenarios for OOPS concepts include modeling a car as an object with properties and methods.
Modeling a car as an object with properties like color, speed, and methods like accelerate, brake
Inheritance can be seen in a vehicle hierarchy with classes like Car, Truck, Motorcycle
Polymorphism can be demonstrated with a Drive method that behaves differently for each vehicle type
3-tier architecture separates presentation, logic, and data layers. ASP.NET page life cycle includes events from initialization to rendering.
3-tier architecture divides an application into presentation, logic, and data layers for better scalability and maintainability
ASP.NET page life cycle includes events like Page_Init, Page_Load, and Page_PreRender for managing page state and rendering
Example: Presentation layer can...
Use a common table expression (CTE) with ROW_NUMBER() function to delete duplicate records.
Use a CTE to assign a row number to each record partitioned by the columns that define duplicates
Delete records where the row number is greater than 1
Example: WITH CTE AS (SELECT *, ROW_NUMBER() OVER (PARTITION BY column1, column2 ORDER BY column1) AS rn FROM table_name) DELETE FROM CTE WHERE rn > 1
CTE stands for Common Table Expressions. It is a temporary result set that can be referenced within a SELECT, INSERT, UPDATE, or DELETE statement.
CTE is defined using the WITH keyword in SQL.
It helps in breaking down complex queries into simpler, more manageable parts.
CTEs can reference themselves recursively, making them useful for hierarchical data.
They are especially useful for avoiding code duplication and improvin...
I am currently earning $100,000 per year.
My current annual salary is $100,000.
I am earning $8,333.33 per month.
I receive a monthly salary of $8,333.33.
My current compensation package is $100,000 per annum.
The duration of Cognizant Technical Lead interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 58 interviews
4 Interview rounds
based on 1k reviews
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