Cognizant Programmer Analyst 1 Interview Questions and Answers

Q1. Explain about QRadar architecture
Ans. 
QRadar is a security information and event management (SIEM) system that collects and analyzes security log data.
• QRadar uses a distributed architecture with a centralized console and multiple components for data collection, processing, and storage.

• The system includes event processors, flow processors, and data nodes that work together to collect and analyze security data.

• QRadar supports a wide range of data sources, in...read more
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Q2. What are common ports and osi model
Ans. 
Common ports and OSI model are important networking concepts.
• Common ports include HTTP (80), HTTPS (443), FTP (21), SSH (22), and Telnet (23).

• OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each layer has a specific function and communicates with adjacent layers.

• Understanding these concepts is important for network troubleshooting and security.
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Q3. Explain about cyber kill chain stages
Ans. 
Cyber kill chain stages are the steps followed by attackers to carry out a successful cyber attack.
• The stages include reconnaissance, weaponization, delivery, exploitation, installation, command and control, and actions on objectives.

• Reconnaissance involves gathering information about the target.

• Weaponization involves creating a payload to exploit the target.

• Delivery involves delivering the payload to the target.

• Exploi...read more
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Q4. Zero day vulnerability and log4j and known attacks
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Q5. Malware and phishing and usecases
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Q1. Basic questions related QRadar architecture
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Q2. Recent cyber attacks
Ans. 
Recent cyber attacks have highlighted the importance of cybersecurity measures.
• The SolarWinds hack compromised multiple government agencies and private companies.

• The Colonial Pipeline ransomware attack caused fuel shortages and price increases.

• The JBS meat processing company was hit by a ransomware attack that disrupted operations.

• The Microsoft Exchange Server hack affected thousands of organizations worldwide.

• The rise...read more
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Q3. Malware related usecase analysis and take one use case as example and explain complete analysis
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Q4. Explain about owasp top 10
Ans. 
OWASP Top 10 is a list of the most critical web application security risks.
• OWASP Top 10 is updated every few years based on community feedback and industry trends.

• The list includes risks such as injection attacks, broken authentication and session management, and cross-site scripting (XSS).

• Developers can use the OWASP Top 10 as a guide to prioritize security measures in their applications.

• OWASP also provides resources ...read more
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Q1. General technicial questions based on your projects, dsa.
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Q2. Dsa, your cv ,your projects
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Q1. Hr question about the company
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Q2. About the company policy's
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Basic aptitude test with questions like boats and stream, time and distance etc

They asked two coding questions in round 2

Q1. I selected c language, they asked questions on c
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Q2. What is c and c versus c++
Ans. 
C is a procedural programming language, while C++ is an object-oriented programming language that is an extension of C.
• C is a procedural programming language, focusing on functions and procedures.

• C++ is an object-oriented programming language, allowing for the use of classes and objects.

• C++ is an extension of C, adding features like classes, inheritance, and polymorphism.
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Q3. What is the meaning of inheritance
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Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can access the properties and methods of the base class

• Example: Class 'Animal' can be a base class with attributes lik...read more
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Q4. Write a program in c and explain it
Ans. 
Program in C to sort an array of strings alphabetically
• Declare an array of strings

• Use a sorting algorithm like bubble sort or quicksort to sort the strings alphabetically

• Print the sorted array of strings
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Q5. Father of C language when it introduced
Ans. 
Dennis Ritchie is considered the father of the C programming language.
• Dennis Ritchie, along with Brian Kernighan, developed the C language at Bell Labs in the early 1970s.

• C language was created to provide a more flexible and powerful alternative to assembly language.

• C language has had a significant impact on modern programming languages and systems development.
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Quant , reasoning and English ,coding

5 code was there,if 2 you can solve then you will be eligible for 4.5 package. It was told like that earlier,now maybe it has changed . If more than 3 or 5 7 lpa package you will get.

Q1. It was tech+hr round,so mine was mostly asked about my branch related i e electrical based questions . And few from minor projects and he gave me a question of Age based quant question.He didn't asked mu...read more
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Q2. He asked about sales knowledge from an practical example.
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