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REACH Technologies Software Developer Intern Interview Questions and Answers

Updated 16 Sep 2021

REACH Technologies Software Developer Intern Interview Experiences

1 interview found

I was interviewed in Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 mintues
Round difficulty - Medium

The round contain 20 medium MCQ question ranging from Mathematics and Data Structure questions And at the last 2 coding questions.

  • Q1. 

    Remove Vowels from a String

    Given a string STR of length N, your task is to remove all the vowels from that string and return the modified string.

    Input:

    The first line of input contains an integer 'T' ...
  • Ans. 

    Remove all vowels from a given string and return the modified string.

    • Iterate through each character in the string and check if it is a vowel (a, e, i, o, u or A, E, I, O, U).

    • If the character is not a vowel, add it to a new string.

    • Return the new string without any vowels.

  • Answered by AI
  • Q2. 

    Number Pattern Program

    Write a program that takes an integer N as input and prints a specific pattern for N lines.

    Example:

    Input:
    N=3
    Output:
    [[1, 2, 3, 10, 11, 12], [4, 5, 8, 9], [6, 7]]
    Explanati...
  • Ans. 

    The program takes an integer N and prints a specific number pattern for N lines.

    • Create a 2D list to store the pattern rows

    • Use loops to generate the numbers in each row based on the pattern

    • Print the 2D list as the final output

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Netaji Subhas University Of Technology. I applied for the job as SDE - Intern in DelhiEligibility criteriaAbove 6 CGPA and Need one good development projects on Resume.REACH Technologies interview preparation:Topics to prepare for the interview - Recursion , Tree , Array , Graph , DP , stack and queue.Time required to prepare for the interview - 2 monthsInterview preparation tips for other job seekers

Tip 1 : Data structure and algorithms 
Tip 2 : Practise Maths 
Tip 3 : Practise English

Application resume tips for other job seekers

Tip 1 : Write only that thing which you can explain there.
Tip 2 : Also Specify Your project and the part of the project you did.

Final outcome of the interviewSelected

Interview questions from similar companies

Interview Preparation Tips

Round: Test
Experience: It was a blend of topics from IT,CSE and ECE. Try to concentrate on coding and networks for this round. mostly luck based

Round: Group Discussion
Experience: A very easy round. Can easily clear it if you have minimum skills

Round: Technical Interview
Experience: needs a sound knowledge in networking .

Round: HR Interview
Experience: your personality and the way you behave matters a lot. Try to be humble and truthful

General Tips: as I mentioned earlier keep trying never loose hope
Skills: communication skills, grasping power , knowledge
College Name: VIT VELLORE
Motivation: high package :P
Funny Moments: none . but had to go to bangalore for interview which was fun :)

I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.

Interview Preparation Tips

Round: Test
Experience: Tested basics in each subject

Round: Technical Interview
Experience: Had asked me about my projects in detail. Some DSA questions were asked. Asked to code in C for some questions.

Round: Technical Interview
Experience: Asked questions about data structures and some more algorithms. Tested in Probability and some quant.

College Name: IIT Madras

Interview Questionnaire 

6 Questions

  • Q1. Tell us about yourself ?
  • Q2. Any knowledge of Networks/DS?
  • Ans. 

    Yes

    • Knowledge of network protocols and architectures

    • Understanding of data structures and algorithms

    • Experience with network troubleshooting and analysis

    • Familiarity with network security and encryption

    • Proficiency in network programming and socket programming

  • Answered by AI
  • Q3. Which projects do you like the most?
  • Q4. How was your test ?
  • Ans. 

    The test went well, I was able to complete all the tasks within the given time frame.

    • I prepared well for the test by reviewing relevant materials

    • I managed my time effectively during the test

    • I was able to solve all the problems and complete all the tasks

    • I double-checked my work to ensure accuracy

  • Answered by AI
  • Q5. Why CISCO ? Tell something about it
  • Q6. Which companies have you applied for till day 4 ?

Interview Preparation Tips

Round: Test
Experience: 30 questions on Technical knowledge - Basic C, DS, Microprocessor, OS, Networks, Circuit Designs.
20 questions on Aptitude.
Total Questions: 50

Round: Technical Interview
Experience: It was a 25-30 minute round. Apart from the questions mentioned, they asked questions related to BTP(Signal Processing) and Microprocessor 8085.
Tips: Basic C, EE 370 and Microprocessor 8085 will be helpful. They will look for Networks related questions. Revise the related courses and attend PPTs.

Round: HR Interview
Experience: It was a 15-minute round.

General Tips: Analytical thinking is important and you should have good technical knowledge and a decent academic record.
College Name: IIT KANPUR

Skills evaluated in this interview

Interview Preparation Tips

Round: Resume Shortlist
Tips: It will be good to have a GPA of 8 and above

Round: Test
Experience: Questions were easy it were good at C and basic maths. Questions were distributed on all aspects of computer science such as Operating Systems, Few Output Question, Data Structures and Application layer networking . In basic aptitude most questions fall under Probability, distance and time and few others.
Duration: 60 minutes
Total Questions: 50

Skills: Communication, Basic Coding, Math Puzzle
College Name: NIT Surathkal

Interview Preparation Tips

Round: Test
Experience: The test was MCQ type. It comprised of questions from Operating Systems, Data Structures, Microprocessors, logical Reasoning, Aptitude and Computer Networks. No negative marking was there.
Tips: One needs to be fast as you can't spend much time on one question.
Duration: 60 minutes
Total Questions: 50

Round: Technical Interview
Experience: I was given 2 coding questions to solve and basics of oops, operating systems, data structures and networks were asked. 3-4 questions were asked in each topic mentions above. The interviewer also asked 2 puzzles which were the standard ones. He first asked me if I knew the topic or not, then only he asked me questions about it. But that doesn't mean that you can skip all the above mentions topics.
Tips: Be relaxed and confident and try to discuss your approach with the interviewer.

Round: Technical Interview
Experience: 2 Coding questions and 3-4 questions from operating systems and networks.Questions also from the mentioned projects.

Round: HR Interview
Experience: Standard HR interview with questions like what Cisco does and why they should hire you. He also asked me questions from the CV.

Tips: Be confident and mug up your cv well

Round: HR Interview
Experience: It was just a formality where he just asked about my background and whether I would be able to move to bangalore and Why I want to join Cisco.

Skills: Confidence, Problem Solving Skills, Operating System Basics, Coding Skills, Object Oriented Programming (OOP) Basics, Computer Networking, Data Strrutures
College Name: IIT Guwahati

I applied via Referral

Interview Questionnaire 

10 Questions

  • Q1. Program to print the elements of a binary tree in spiral order
  • Ans. 

    Program to print binary tree elements in spiral order

    • Use two stacks to keep track of nodes at odd and even levels

    • Push nodes from left to right in odd level stack and right to left in even level stack

    • Pop nodes from the stack alternatively and print them

    • Repeat until both stacks are empty

  • Answered by AI
  • Q2. Explain what happens underneath when you enter a URL in the browser
  • Ans. 

    Entering a URL in the browser triggers a series of events to retrieve and display the requested webpage.

    • The browser checks the cache for a previously stored copy of the webpage

    • If not found, the browser sends a request to the DNS server to resolve the domain name to an IP address

    • The browser then sends a request to the web server at the IP address for the webpage

    • The web server responds with the requested webpage

    • The brows...

  • Answered by AI
  • Q3. Explain why MAC addresses are required despite having IP addresses
  • Ans. 

    MAC addresses are required for identifying devices on a local network, while IP addresses are used for identifying devices on a global network.

    • MAC addresses are used for communication within a local network

    • IP addresses are used for communication across different networks

    • MAC addresses are assigned by the manufacturer and cannot be changed

    • IP addresses can be assigned dynamically or statically

    • MAC addresses are used in the...

  • Answered by AI
  • Q4. Solve the classical bridge and torch puzzle
  • Q5. Explain my internship project
  • 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 for back-end

    • Utilized MongoDB for database management

    • Integrated authentication and authorization features for secure access

    • Designed user-friendly interface with responsive design

  • Answered by AI
  • Q6. What is an arraylist in Java?
  • Ans. 

    An ArrayList is a dynamic array in Java that can grow or shrink in size during runtime.

    • ArrayList is a class in Java's Collection framework.

    • It implements the List interface and allows duplicate elements.

    • Elements can be added or removed using methods like add(), remove(), etc.

    • It can also be sorted using the sort() method.

    • Example: ArrayList names = new ArrayList<>();

    • names.add("John"); names.add("Mary"); names.remove(0);

  • Answered by AI
  • Q7. What is the difference between an arraylist and a linkedlist in Java?
  • Ans. 

    ArrayList is a resizable array while LinkedList is a doubly linked list.

    • ArrayList is faster for accessing elements while LinkedList is faster for adding or removing elements.

    • ArrayList uses contiguous memory while LinkedList uses non-contiguous memory.

    • ArrayList is better for random access while LinkedList is better for sequential access.

    • Example: ArrayList - List names = new ArrayList<>(); LinkedList - List names = new L

  • Answered by AI
  • Q8. “Java is not a pure OO language”. Justify (the answer expected was that the primitive types are not objects in Java!)
  • Ans. 

    Java is not a pure OO language due to primitive types not being objects.

    • Primitive types like int, boolean, etc. are not objects in Java

    • They do not have methods or inheritance like objects do

    • This violates the principle of everything being an object in pure OO languages

    • Wrapper classes like Integer, Boolean, etc. were introduced to provide object-like behavior for primitives

  • Answered by AI
  • Q9. What is the difference between an object oriented and object based language?
  • Ans. 

    Object-oriented languages support inheritance and polymorphism, while object-based languages do not.

    • Object-oriented languages allow for the creation of classes and objects, and support inheritance and polymorphism.

    • Object-based languages only support objects, but do not have the concept of classes or inheritance.

    • Examples of object-oriented languages include Java, C++, and Python, while JavaScript is an example of an obj

  • Answered by AI
  • Q10. Explain inheritance and abstraction with a concrete example
  • Ans. 

    Inheritance is a way to create new classes based on existing ones. Abstraction is a way to hide implementation details.

    • Inheritance allows a subclass to inherit properties and methods from a superclass.

    • Abstraction allows a class to provide a simplified interface to its users while hiding its implementation details.

    • For example, a Car class can inherit properties and methods from a Vehicle class, while also implementing i...

  • Answered by AI

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

I applied via Referral

Interview Questionnaire 

14 Questions

  • Q1. How many interviews have I attended before?
  • Q2. What value would I add to Cisco?
  • Q3. What do I know about Cisco?
  • Q4. Am I ready to work as an IT manager?
  • Ans. 

    No, as a software engineer, you may not have the necessary experience or skills to work as an IT manager.

    • Software engineers typically focus on coding and technical aspects, while IT managers are responsible for overseeing projects, teams, and budgets.

    • IT managers need strong leadership, communication, and decision-making skills, which may not be the primary focus of a software engineer.

    • Consider gaining experience in pro...

  • Answered by AI
  • Q5. Mention the layers in OSI stack
  • Ans. 

    OSI stack has 7 layers that define how data is transmitted over a network.

    • OSI stands for Open Systems Interconnection

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

    • Layers are: Physical, Data Link, Network, Transport, Session, Presentation, Application

  • Answered by AI
  • Q6. When would I go for a router to make two computers communicate?
  • Ans. 

    A router is needed to connect two computers in different networks or to share internet connection.

    • When two computers are in different networks, a router is needed to connect them.

    • A router can also be used to share internet connection between multiple devices.

    • Routers can provide additional security features like firewall and VPN.

    • Examples of routers include Cisco, Netgear, and TP-Link.

  • Answered by AI
  • Q7. Mention the number of bits in IPv4 and IPv6 addresses
  • Ans. 

    IPv4 has 32 bits and IPv6 has 128 bits.

    • IPv4 addresses are in the format of xxx.xxx.xxx.xxx where each xxx is an 8-bit number.

    • IPv6 addresses are in the format of xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx where each xxxx is a 16-bit number.

    • IPv6 addresses allow for a much larger number of unique addresses than IPv4.

  • Answered by AI
  • Q8. What is the need for IPv6?
  • Ans. 

    IPv6 is needed due to the exhaustion of IPv4 addresses and the need for more unique IP addresses.

    • IPv6 provides a significantly larger address space compared to IPv4.

    • It allows for the allocation of unique IP addresses to every device connected to the internet.

    • IPv6 supports improved security features and better network performance.

    • It enables the growth of Internet of Things (IoT) devices and services.

    • Transitioning to IPv...

  • Answered by AI
  • Q9. How many clients are possible for a /24 address?. What is the network address and broadcast address here?
  • Ans. 

    A /24 address can have 256 clients. Network address is the first IP and broadcast address is the last IP.

    • A /24 address has 256 IP addresses

    • The network address is the first IP in the range

    • The broadcast address is the last IP in the range

  • Answered by AI
  • Q10. What is the difference between anycast, unicast, and multicast?
  • Ans. 

    Anycast, unicast, and multicast are different ways of routing network traffic.

    • Unicast is one-to-one communication between a sender and a receiver.

    • Anycast is one-to-nearest communication where the sender sends a message to the nearest receiver.

    • Multicast is one-to-many communication where the sender sends a message to a group of receivers.

    • Anycast is used for load balancing and finding the nearest server.

    • Unicast is used f...

  • Answered by AI
  • Q11. What is virtual memory? What is its size in relation to main memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to use more memory than physically available.

    • Virtual memory is created by using hard disk space as an extension of RAM.

    • It allows running more programs than the physical memory can handle.

    • The size of virtual memory is typically larger than the size of main memory.

    • Virtual memory is divided into pages, which are swapped in and out of main memory as nee...

  • Answered by AI
  • Q12. How do I rate myself in C, web technologies on a scale of 10?
  • Ans. 

    I rate myself 8 in C and 7 in web technologies.

    • I have extensive experience in C programming and have worked on multiple projects using it.

    • In web technologies, I have a good understanding of HTML, CSS, and JavaScript, but there is always room for improvement.

    • I am constantly learning and improving my skills in both areas.

  • Answered by AI
  • Q13. What are my strengths?
  • Ans. 

    My strengths include problem-solving skills, attention to detail, and strong programming abilities.

    • Strong problem-solving skills - able to analyze complex problems and come up with effective solutions

    • Attention to detail - meticulous in writing code and ensuring it is error-free

    • Strong programming abilities - proficient in multiple programming languages such as Java, Python, and C++

  • Answered by AI
  • Q14. The classical 3l, 5l puzzle

Interview Preparation Tips

Skills:
College Name: NA

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. What is precompilaion unit?
  • Ans. 

    Precompilation unit is a compiled code that can be reused by multiple source files.

    • Precompilation unit is created by the compiler from the source code.

    • It contains the compiled code of header files and other dependencies.

    • It can be reused by multiple source files, reducing compilation time.

    • It is also known as precompiled header or PCH.

    • Example: stdafx.h in Visual Studio is a precompiled header file.

  • Answered by AI
  • Q2. About ur future,ur short term goal,why this company

Interview Preparation Tips

Skills: Resume, CGPA
College Name: IIT Kharagpur

Interview Questionnaire 

3 Questions

  • Q1. First 50 Prime Number
  • Ans. 

    The first 50 prime numbers are...

    • Start with 2, the first prime number

    • Check each odd number greater than 2

    • Use trial division to check if a number is prime

    • Stop when you have found 50 prime numbers

  • Answered by AI
  • Q2. How to sort the file in the range (hint provided)
  • Ans. 

    Sorting a file within a range

    • Use a sorting algorithm like quicksort or mergesort

    • Read the file and store the data in an array or list

    • Sort the array or list within the given range

    • Write the sorted data back to the file

  • Answered by AI
  • Q3. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js, Express, and MongoDB

    • Familiar with version control systems like Git and project management tools like Jira

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Shortlist cut was 0.0 cgpa
Tips: Need to mention Programming skill in any one of three language C , C++ ,Java

Round: Test
Experience: Test was Average, Many question were from INDIABIX.COM , computer network, operating system ,data structure, c , c++ language
Tips: Understand Data Structure and Algorithm deeply, At least read about computer networks, operating system , DBMS 3-4 times for basic good understand, refer various site
Duration: 180 minutes

Round: Test
Experience: Two question were given , we have to write the code on A4 size sheet
Tips: Deep understanding of STACK AND QUEUE
Duration: 60 minutes

Round: Technical Interview
Experience: Previous Test (2 Questions on A4 size sheet) were discussed and is there any improvement that can be done, discussed each and every step.
Tips: Comments is important using programming
present with demo example (various cases)

Round: HR Interview
Experience: Be calm and show your interest in the company,
ask question about company, what are activity other than techincal technical stuff
Tips: Smile , if possible talk in Hindi - English,Try to Make the interview in discussion

General Tips: Practice Daily , Understand Each and Every Step in Detail , Try to code in A4 size paper then computer
Skill Tips: Read Good Books , Practice Daily

Skills: Algorithms And Data Structures
College Name: IIT Kharagpur

Skills evaluated in this interview

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