Unistring Tech Solutions Interview Questions, Process, and Tips

Basic Aptitude Questions

Q1. Basic digital electronics Questions
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Q2. FSMs , Counters
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It was in google forms

It was medium hard and interesting

Q1. Intro about yourself
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I am a motivated and detail-oriented Cyber Security student with hands-on experience in network security and ethical hacking.
• Currently pursuing a degree in Cyber Security

• Hands-on experience in network security and ethical hacking

• Strong understanding of common cyber threats and security measures

• Certifications in CompTIA Security+ and CEH

• Participated in Capture The Flag competitions
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Q2. Your projects, experiences etc
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I have completed various projects related to network security, cryptography, and malware analysis during my studies.
• Developed a network intrusion detection system using Snort and Wireshark

• Researched and implemented AES encryption algorithm for secure data transmission

• Analyzed and reverse engineered malware samples to understand their behavior
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Q1. Fundamentals of antenna, microwave engineering, Rf were asked
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Q1. Topics from microwave engineering and digital communication and digital circuits were asked
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It was a mixture of aptitude and basic coding questions

Basic knowledge of input and output were asked

Basic knowledge about c/c++

Basic knowledge about c/c++

Q1. About class,object and constructor
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Q2. Destructor,error handling
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Q3. What is meant by OOPS
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OOPS stands for Object-Oriented Programming System. It is a programming paradigm based on the concept of objects.
• OOPS focuses on creating objects that contain data in the form of fields (attributes) and code in the form of procedures (methods).

• Encapsulation, inheritance, and polymorphism are key principles of OOPS.

• Example: In a banking application, a 'Customer' object may have attributes like name and account number, a
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Q4. What is Data Structure
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Data structure is a way of organizing and storing data in a computer so that it can be accessed and used efficiently.
• Data structures define the way data is organized and stored in memory.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Different data structures have different strengths and weaknesses for different types of operations.
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Q5. What is Friend Function
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Friend function is a function that is not a member of a class but has access to its private and protected members.
• Friend functions are declared inside a class with the keyword 'friend'.

• They can access private and protected members of the class.

• They are not member functions of the class but have access to its members.

• Friend functions are often used for operator overloading or to allow external functions to access privat
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It was a basic aptitude test consisting of 45 questions to be solved under 45 minutes. Can be solved even with minimal practice.

Consisting of MCQs and blanks. Requires good understanding of concepts of DBMS, OOPs, OS and C/C++.

Q1. Explain all the concepts of OOPs with an example.
Ans. 
OOPs concepts include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: Class Car with properties like make, model, and methods like start(), stop().

• Inheritance: Ability of a class to inherit properties and behavior from another class. Example: Class SUV inheriting from class Car.

• Polymorphism: Ability to present the s...read more
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Q2. What is dynamic programming and what are the different approaches used to optimize problems.
Ans. 
Dynamic programming is a method for solving complex problems by breaking them down into simpler subproblems and storing the results to avoid redundant calculations.
• Dynamic programming involves breaking down a problem into smaller subproblems and solving each subproblem only once.

• There are two main approaches to optimize problems using dynamic programming: top-down (memoization) and bottom-up (tabulation).

• Memoization in...read more
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Q3. Explain about the projects mentioned in the resume.
Ans. 
Developed a web application for tracking inventory and sales data.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database management
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Q4. Few other questions were asked regarding programming concepts.
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