Cognizant Programmer Analyst Interview Questions, Process, and Tips

Q1. Coding, college topics
Add your answer

Q1. About myself, regarding college,
Add your answer

General Aptitude and communication Questions were asked.

Q1. Which Layer in ISO OSI Model handles security
Ans. 
The security layer in the ISO OSI Model is the Presentation Layer.
• The Presentation Layer is responsible for encryption, decryption, and data compression.

• It ensures that data is securely transmitted between applications.

• Examples of security protocols at this layer include SSL (Secure Sockets Layer) and TLS (Transport Layer Security).
Answered by AI
Add your answer
Q2. Difference between C and C++
Ans. 
C is a procedural programming language while C++ is an object-oriented programming language.
• C is a subset of C++

• C++ supports object-oriented programming concepts like classes and inheritance

• C++ has additional features like function overloading and templates
Answered by AI
Add your answer
Q3. OOP oriented in the case of C++
Ans. 
C++ supports Object-Oriented Programming (OOP) through classes and objects.
• C++ allows for the creation of classes, which are user-defined data types that can have member functions and variables.

• Objects are instances of classes, allowing for data encapsulation and abstraction.

• Inheritance, polymorphism, and encapsulation are key principles of OOP supported by C++.
Answered by AI
Add your answer

2-3 aptitude question asked in interview

Swap question without 3rd variable.

Consist of reasoning, logical, english grammar.

Q1. Java Code snippet and sql qyestions
Add your answer

Simple aptitude and codding test