Cognizione Consulting & Solutions Intern Interview Questions and Answers

Q1. What ur biggest fear
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Q2. Biggest Strength in life
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Easy one, Common topics like profit and loss, time and work, etc were asked

Asked mainly on strings and arrays

Q1. Are you willing to relocate?
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Q2. Tell me about OOPS concepts in python.
Ans. 
OOPS concepts in Python include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance allows a class to inherit properties and methods from a parent class.

• Encapsulation refers to the practice of hiding implementation details from the user.

• Polymorphism allows objects to take on multiple forms or behaviors.

• Abstraction involves creating a simplified representation of complex real-world objects.

• Python suppo...read more
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Q1. About your project and s1kills
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Q2. Interview went well .
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Q1. Test cases for login
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Q2. Questions related to AI technologies
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Q3. Object-oriented programming with example
Ans. 
Object-oriented programming is a programming paradigm that organizes code into objects.
• Encapsulation: bundling data and methods together in a class

• Inheritance: creating new classes from existing ones

• Polymorphism: using a single interface to represent different types

• Abstraction: hiding complex implementation details

• Example: Creating a class 'Car' with properties like 'color' and methods like 'startEngine'
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Aptitude test was taken in first round

Q1. Tell about your educational qualification
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Q2. What is your ambitions
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Round duration - 40+140 minutes
Round difficulty - null
Conceptual/ Code Analysis and Case study.

Q1. DSA question
Ans. 
Answer a DSA question
• Understand the problem statement

• Identify the data structures and algorithms required

• Write the code and test thoroughly
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The technical face-to-face interview round is the most crucial in the entire interview process. I was
well-versed in computer science fundamentals such as OOPS, DBMS, CN, OS
and was able to communicate them clearly to the interviewer.

Q1. What is the difference between classful and classless addressing?
Ans. 
Classful addressing uses fixed network sizes, while classless addressing allows for variable network sizes.
• Classful addressing divides IP addresses into five classes: A, B, C, D, and E.

• Classful addressing assumes that all networks within a class have the same network size.

• Classless addressing allows for more flexibility in network size and allows for the creation of subnets.

• Classless addressing is used in modern networ...read more
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Q2. What is IPv4 and IPv6?
Ans. 
IPv4 and IPv6 are internet protocol versions used to identify devices on a network.
• IPv4 uses 32-bit addresses and can support up to 4.3 billion unique addresses.

• IPv6 uses 128-bit addresses and can support an almost infinite number of unique addresses.

• IPv6 also includes features such as better security and improved routing.

• Both protocols are currently in use, but IPv6 is becoming more widely adopted as IPv4 addresses be
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Q3. What is Denormalization and what is its application?
Ans. 
Denormalization is the process of adding redundant data to improve query performance.
• It involves duplicating data in multiple tables to avoid joins and improve query speed.

• It can be useful in read-heavy applications where query performance is critical.

• Examples include adding a total sales column to a customer table instead of calculating it through joins.

• It can also involve flattening nested data structures to improve ...read more
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Q4. What is paging ?
Ans. 
Paging is a memory management technique used by operating systems to manage memory usage.
• It involves dividing memory into fixed-size pages.

• Pages are loaded into physical memory as needed.

• Allows for more efficient use of memory and prevents fragmentation.

• Examples include demand paging and page replacement algorithms.
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Q5. What is segmentation?
Ans. 
Segmentation is the process of dividing a larger market into smaller groups of consumers with similar needs or characteristics.
• Segmentation helps companies to better understand their target audience and create more effective marketing strategies.

• There are different types of segmentation such as demographic, geographic, psychographic, and behavioral.

• For example, a company may use demographic segmentation to target a spe...read more
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Q6. What is thrashing?
Ans. 
Thrashing is a phenomenon in computer systems where excessive paging or swapping occurs, resulting in decreased performance.
• Occurs when the system spends more time swapping pages than executing instructions

• Caused by insufficient memory or poorly optimized programs

• Can be identified by high disk activity and low CPU utilization

• Example: A computer running multiple memory-intensive applications simultaneously
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Q7. Why should we hire you?
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Q8. Are you interested in an internship or learning program?
Ans. 
Yes, I am interested in an internship or learning program.
• I am eager to gain practical experience in my field of study.

• I am open to learning new skills and expanding my knowledge.

• I am excited to work with professionals in the industry and learn from their expertise.
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