Cognizant SQL and BI Developer Interview Questions and Answers for Experienced

C# concepts including abstraction, interface, abstract method, abstract class, polymorphism, encapsulation, inheritance, and serialization.

• Abstraction: hiding implementation details

• Interface: defining a contract for behavior

• Abstract method: method without implementation

• Abstract class: class with one or more abstract methods

• Polymorphism: ability of objects to take on multiple forms

• Encapsulation: bundling data and behavi...read more

Incident management is the process of identifying, analyzing, and resolving incidents to minimize their impact on business operations. Change management is the process of managing changes to IT systems to minimize disruption and ensure that changes are made in a controlled and systematic manner.

• Incident management involves identifying and resolving incidents as quickly as possible to minimize their impact on business o...read more