Cognizant Campus Recruitment 2020 Technical Interview Questions

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Cognizant is a one the best IT service provider in the world. Every year Cognizant Conducts Off Campus Recruitment Drive to hire Engineering fresh graduates. Today we are sharing the top technical interview questions, which asked in Cognizant campus selection process.

Cognizant Campus Interview Questions :

In Cognizant Campus Interview Mostly questions asked on C, Java, C++, Data Structure, Database, OOPS As Well Operating System and Computer Networking questions.

  • We can use functions inside structures in C++ but not in C.
  • What is null pointer?
  • What you mean by Object Relational DBMS?
  • What is database Schema?
  • Write a program to add two strings without utilizing “+” operator ?
  • Define the terms OSI, TCP, and IP.
  • What are reference variables and how is it defined in C++?
  • What are the various forms of normalisation?
  • Why is DML provided?
  • Briefly explain the method you will use to execute an array linked list?
  • What are character constants in C++?
  • What are streams in C++? What are predefined streams in C++?
  • Give me a Query to find out the second largest compensation in an organization ?
  • What is the implementation of merge ?
  • Define subquery.
  • What is BCNF?
  • What is the difference between a “semaphore” and a “monitor”?
  • Explain these terms- Linked List, Stack, Queue
  • Define triggers. Give its applications. lock.
  • Suggest a method of joining two tables.
  • What is the “top-n analysis” in DBMS?
  • Write a function to take an into argument and return 0 if the given number is prime otherwise return -1.
  • What do you mean by “normalisation”?
  • Where do we generally create INDEX?
  • What is object oriented model?
  • Define RDBMS.
  • Programs on Sorting , Searching Selection , Insertion, Binary
  • Basic Programs Prime Number, Fibonacci , Strings etc
  • About Your Projects
  • Difference between C and Java
  • OOPs Features Polymorphism, Inheritance , Construction etc
  • CPP/Java Basics
  • Data Structure Linked list, Array , Tree
  • Explain about Joins, Views, Normalization, Triggers?
  • Basic of OS
  • Basics of Computer Networking
  • Define double linked lists.
  • What is a default gateway?
  • Differentiate RDBMS and DBMS.
  • Can you tell us something about scope rules in C++?
  • What is the difference between an EXE and a DLL?   
  • What are the advantages to use stored procedures.
  • Give me a SQL Query to find out the second largest compensation in an organization?
  • Do you think BCNF is better than 2NF & 3NF? Why?
  • Give pros and cons of DBMS.
  • Give me a program to reverse a Linked List.
  • Discuss transparent DBMS.
  • How can u increase the heap size in the memory?
  • Define significance of constant arguments
  • What is the role undertaken by DBA in databases ?
  • What is RDBMS KERNEL?
  • What is the difference between primary key, foreign key, candidate key & super key?
  • Differentiate exclusive lock and What is Operating System?
  • What conditions lead to a deadlock situation?
  • Explain the concept of flagging a “semaphore”.
  • What is difference between rand() and srand()?

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