Introduction
Cognizant is a multinational company providing IT services to various organizations including digital technology, consulting, operations and all kinds of services. Cognizant offers a smart, digital, and tactical approach that is changing the way business is done without disrupting business as usual. Cognizant’s services include information technology, information security, consulting, ITO and BPO, including Outsourcing of research and development and test solutions. They have other services as well and their extensive network makes it one of the best IT firms in the world.
An applicant in Cognizant Technology Solutions should be prepared with essential IT, consulting, and business process outsourcing. The Cognizant Interview Questions are for both the technical and non-technical posts. However, for both the category of posts, be it an online interview or offline, a candidate must keep themselves updated with the topics like; Aptitude, Programming, HR, Logical questions, English Questions, Coding Questions, and topics on general market knowledge.
The Cognizant Interview Questions are conducted in three rounds: Aptitude Round, Technical or non-technical post-wise round, and the HR round.
Cognizant Technical interview questions
The technical interview questions include questions from; data structures, algorithms, DBMS, operating system, networking, programming concepts, OOPS concepts, codes and general market knowledge. The gist of some of the important questions that a candidate is supposed to encounter includes the following:
- C++- what are the constants of the character?
- Describe the process of how you can write a program adding two strings without using the “+” operator?
- What do you understand about OSI, TCP, and IP?
- What are the different types of streams in C++?
- What are the different predefined streams in C++?
- Portray a query to find out some of the largest compensation in an organisation?
- What do you understand by the implementation of the merge?
- Write down the connection code to a database?
- What do you understand about the derived data types?
- Name the data types in C++ that are user-defined?
- Explain the roles and importance of the different tokens in C++?
- Explain how one can input data to their code?
- Is it possible for a database table to exist without a primary key?
- Describe the differences between a class and a structure?
- Describe the reasons behind using “Inner Join” and “Outer Join”?
- Describe a method of joining two tables?
- Elaborate the “top-n analysis” in DBMS?
- Describe normalisation and its various forms?
- Describe the purpose of creating an “Index”?
- Describe an object-oriented model?
- Describe RDBMS?
- What are reference variables in context to C++?
- What is the purpose of DML?
- Write a function while taking an argument and returning to 0 if the given number is prime or return to -1?
- Define Operating system?
- Describe the conditions of a deadlock system?
- Describe the concept of flagging a “semaphore”?
- What is a subquery?
- Define BCNF?
- Mention the differences between “semaphore” and a “monitor”?
- Define: Linked List, Stack, and Queue?
- Describe triggers and state their applications?
- Define dangling pointer?
- Describe I-value and R-Value?
- What is typecasting?
- What do you understand by compilation?
- What is pre-processing in a source file?
- What are the different types of static variables?
- Mention the stages of a C-compilation?
- What do you understand by ternary operators and its syntax?
- What are the different types of C-compilers?
- What are the differences between class and struct?
- Describe the volatile and mutable keywords?
Guide for Cognizant technical interview
In the Cognizant technical interview, an applicant must have complete knowledge of the list of projects they have completed and mentioned in their resume. Apart from the resume substance, the applicant has to keep themselves prepared with in-depth knowledge on “basic C-Programs”, like; the palindrome, reversing of string, Fibonacci, Armstrong, etc. On that note, the applicants from branches other than CS should also prepare with in-depth knowledge of two subjects other than their branch of studies. Some notable features of the Cognizant technical interview are as follows:
- Technical Round – The CTS apart from technical skills pays emphasis on a candidate’s English speaking skills.
- Duration of the technical round – The average duration is around 15 to 30 minutes per candidate.
- Freedom of topics –An applicant will be asked about the projects that they are well aware of or wish to focus on in the future based on only those details that are mentioned in their respective resume.
- Specific identifiers – A candidate will be asked coding questions on a palindrome, pattern printing, even if they are from the non- CS-IT background. The candidate is also supposed to remain prepared with questions on the C/OOPS concept.
- Project-based questions – The project-based questions are from three main sub-categories, and they are; Software engineering, Operating systems, and DBMS, along with projects of interest that they know.
- New inclusions – A new section called “ Automata – Fix” has been included via Amcat.
Cognizant interview for freshers
The on-campus Cognizant interview for freshers is categorized into; the Grade A colleges and Grade B colleges when it comes to interviewing with the freshers. The Grade-A colleges are made to appear in the written round and the HR interview rounds. The Grade-B colleges are made to appear in the written round, technical round, coding round, and HR round. The off-campus drive interviews will consist of written rounds, technical rounds, and HR-round. Be it on-campus freshers or off-campus freshers, the fresher applicants, are questioned from different topics by categorizing in the following manner
- CS-IT students – The candidates will be asked compulsory questions from; C Theory, Programs, C++, Java, OOPS, Software Engineering and Final year project. After the compulsory ones, there will be optional questions from; DBMS, Operating Systems and Data Structures.
- Non- CS-IT students – The applicants need to face compulsory questions from; C Theory, Programs, C++, Java, OOPS, Software Engineering and Final year project. These students can select any optional topic of their choice that either they have mentioned in their resume or are interested in.
Conclusion
Apart from technical knowledge, an applicant needs to prepare open-ended, behavioral, and situational topics as introductory lessons. In addition, a little market knowledge and soft skills add more confidence in the interview and the applicant itself.
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