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AlgoSec R&D Engineer Interview Questions and Answers

Updated 20 May 2021

AlgoSec R&D Engineer Interview Experiences

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R&D Engineer Interview Questions & Answers

user image Anonymous

posted on 20 May 2021

I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 4 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. Intersaction task. Find the point where maximum intersactions are happening in a 2 d graph.
  • Ans. 

    The point where maximum intersections are happening in a 2D graph can be found by analyzing the overlapping regions of lines or curves.

    • Identify all the lines or curves in the graph

    • Determine the regions where these lines or curves overlap

    • Count the number of intersections in each overlapping region

    • Find the point with the highest number of intersections

  • Answered by AI
  • Q2. Create a custom string sorter
  • Ans. 

    A custom string sorter that sorts an array of strings in ascending order.

    • Use a sorting algorithm like bubble sort, selection sort, or merge sort to sort the array of strings.

    • Compare each pair of strings and swap them if they are in the wrong order.

    • Repeat the process until the array is sorted in ascending order.

  • Answered by AI
  • Q3. Find max of multiple of 3 elements of an array which has positive and neagitive values
  • Ans. 

    Find max of multiple of 3 elements in an array with positive and negative values.

    • Iterate through the array and keep track of the three largest positive and negative numbers.

    • Multiply the three largest positive numbers and the three largest negative numbers by each other and find the maximum of the resulting products.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Alogrothm is must for the R&D: Customer Focus Group. If you miss on algo they might select you as they have a very wide customer base.

Do not giveup on algorithm as they will help you to reach the answr.

Skills evaluated in this interview

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 

7 Questions

  • Q1. Tell me about yourself
  • Ans. 

    I am a software engineer with experience in developing and maintaining software applications.

    • I have a strong background in programming languages such as Java, C++, and Python.

    • I have worked on various projects, including developing web applications and implementing software solutions.

    • I am skilled in problem-solving and debugging, ensuring efficient and effective software development.

    • I have experience in collaborating wi...

  • Answered by AI
  • Q2. What are your objectives
  • Q3. What are you going to do for companies betterment
  • Q4. What is your final year project all about
  • Q5. What you learned from your summer intenship
  • Ans. 

    I learned valuable teamwork and problem-solving skills during my summer internship.

    • Developed strong collaboration skills by working with a team of software engineers to complete projects

    • Gained experience in troubleshooting and debugging software issues

    • Learned to effectively communicate and present technical concepts to both technical and non-technical stakeholders

    • Improved problem-solving abilities by identifying and re...

  • Answered by AI
  • Q6. What you learned from your winter intenship
  • Q7. Do you have any question

Interview Preparation Tips

Round: Test
Experience: Verbal section was a easy section,It comprised of Comprehension,Spotting errors,Synonyms,Antonyms,Relationship between two given words,Rearranging the sentences.Logical reasoning the second section in which problems on data interpretation,blood relations,syllogism,where there with little bit difficulty.third section was of quant we usual  think it's easy but this was a tough one! with standard problems,percentage,profit loss,speed distance time.....etc.
Tips: While,attempting verbal part always give most appropriate answers.Options may be more confusing and closer one but you have to select the correct one!!!!! Always check for sectional cutoff and if its there then try to attempt each section properly if not then concentrate on section in which you are strong....refer to sites such as IndiaBIX, M4maths, freshersworld for aptitude questions
Duration: 60 minutes
Total Questions: 75

Round: Group Discussion
Experience: GD was not a round included for Capgemini placement test,Pearson versant english test was there once you clear your apti but due to technical faults GD was the round taken.There was a group of 10 people and we were given topic and 5 mins for preparation then GD was started.I was the second one to speak on the topic,I was in the favour of MNC because I really feel that for freshers Indian IT company is not very great start.Rather if one starts with MNC then it gets a brand name associated with them and also global exposure for one.And also Indian IT sectors are largely collaborating with the MNCs so for fresher MNC is a good start than Indian IT company.
Tips: I will suggest you to understand the topic well,jot down the points you want to say and then always initiate for the GD do not argue,just humbly disagree to the topic,do not get personal in it...as soon as you start the supervisor judges you so do not hesitate and just put your points confidently only your English is judged by this...
Duration: 20 minutes

Round: HR Interview
Experience: As I entered they  checked me from top to bottom means how formally you are dressed and shoes,then asked for my resume and started to see and verify each and everything written in it is true and genuine.And both TR and HR interview was taken simultaneously.My interview was the quicker one they just started with name then all above mentioned questions....
Tips: Go properly dressed with shoes polished,do not panic or try to recollect what you  have prepared just be genuine.Write resume neatly and study it well they scan it and ask most questions from it...

Round: Pearson versant English test
Experience: This test consist of two sections firstly the telephonic round in which we were provided with one toll free number and  unique test-id then it was for about 20 mins we talked on telephone.The questions asked were on basic english,like  repeat the sentences,correct the jumbled sentences,complete the sentences,answer in yes or no.Second test was a computer based test for 60 mins in which complete the sentences synonyms,copying the passage,email writing ,listen and write,were few of the questions directed.this test is taken mainly to check your english and writing skills.
Tips: Be clear and loud enough in telephonic test,and search placement papers of every company you sit for.

General Tips: "Try try you will succeed" always believe on this saying and keep giving tests if you failed in one!!
College Name: TERNA ENGINEERING COLLEGE
Motivation: Capgemini is one of good MNC its under top 10 best IT companies also its symbol spade which represented free enivronment to work and moto "People matter&#44;results count".motivated me to join it!

Interview Questionnaire 

1 Question

  • Q1. Telephonic/Computer assessment for English proficiency

Interview Preparation Tips

Round: Test
Experience: Aptitude was not too easy or too tough like that of CAT. But if one has prepared for CAT exam even a bit, then he can perform pretty well.
Tips: Practice previous year CAT papers. Question sections and format asked in Capgemini test will be similar to that of CAT exam. Improve reading skills by reading anything that interests you.
Duration: 180 minutes
Total Questions: 120

Round: Other Interview
Experience: You will have to talk with a programmed voice using voice call. You need to follow the instructions of the programmed voice. They will record whatever you speak and judge your speaking skills.
Tips: Try to speak in English with at least few peers.

Round: HR Interview
Experience: You must be well thorough with your CV. Common questions like:*Tell me about yourself?*What are your strength and weakness?*Why consultancy and analyst profile?*What do you know about analyst profile?*What does Capgemini does? Tell us more about Capgemini?
etc can be expected for sure.The HR is not interested in your departmental knowledge, rather he is more interested in the way you are explaining something tin a layman manner. He/She cares how you analyse situations. Some random sitaution may be posed and HR may ask you to analyse the situation.
Tips: #Confidence in yourself.#Well verse with CV.#Able to explain even to layman.#Know basic information about data analytics.

General Tips: Aptitude+Communication fluency+Confidence = Job in  Capgemini
Skill Tips: Practice.
Skills: Aptitude, Communication, Confidence
College Name: I.I.T Guwahati
Motivation: Multi national and reputed.
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