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NEC Automation Engineer Interview Questions and Answers
NEC Automation Engineer Interview Experiences
1 interview found
Vansh Tyagi
Selected
I applied via Campus Placement and was interviewed before Sep 2022. There were 6 interview rounds.
There were total 60 MCQ worth time of 1 hour. The major part is covered by the computer fundamentals like OS and CN , Verbal reasoning , Quant , Cloud and code snippet output based questions. If you are scoring 48/60 then there is a great chance to qualify this round.
3 coding questions worth time of 30 minutes. The level was moderate. 2 question was based on string and 1 question was on Array. If you solve 2 questions then there is a great chance to qualify this round.
(2 Questions)
- Q1. After qualifying these 2 rounds we moved to our next segment , which was Technical Interview Round 1 (L-1).
- Q2. In level 1 interview the level of questions was above easy to below moderate. They asked me some command of Linux , Algorithm for Binary Search , Fundamentals of OOPS , 2 coding questions which were as fol...
(1 Question)
- Q1. This Round was quite tough. They asked me various coding questions based on OOPS , some scripts for Data Analytics , all the operations possible in Data Bases.
(1 Question)
- Q1. Just a simple interaction not as much need to worry about this segment.
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Sandeep B V
Interview Preparation Tips
Experience: The first consisted of an online test which had an aptitude section which was pretty simply and then a programming section consisting of three different programs. The programs were logical required basic knowledge of array, sorting and a little bit of data structures.
Round: Technical Interview
Experience: Around 13 of us were shortlisted for the interview round, B.Tech and M.Tech included. The interview round was mostly interactive, where we had to mention about the various interns that we went through. A few programming questions were asked based on topics which we were comfortable with.
Tips: Just get used to coding, data structures and basic aptitude. GRE preparation as such helped me.
Round: HR Interview
Experience: Finally there was a HR round in which I was asked as to why I would like to work in Samsung R&D and general things about interests and future plans. On the whole Samsung took 3 B.Tech students and 2 M.Tech students when they came for placements apart from PPOs.
General Tips: Personally I feel that one should apply in only those companies in which they are sure of having job satisfaction. So don't apply to companies which you are not interested in just for the sake of having a backup because once you are placed you do not have a second chance.
Do not get dejected if you do not get through in the first few tries. Keep your hopes up and be confident when ever you get to interview rounds. Try to be assertive when giving answers. It is some times exhausting to go through placements but the moment you get placed you will have the best feeling ever.
Skill Tips: Just chill and take the test. Once you clear the online test, irrespective of your pointer if you have a good profile you can convince the interviewers.
Skills:
College Name: NIT Surathkal
Shubham Srivastava
Interview Preparation Tips
Experience: Written round: One programming question of 3 hours duration.All test cases were to passed.
Duration: 3 hours minutes
Total Questions: 1
Round: Technical Interview
Experience:
There were two rounds : tech PI and HR round.
A.Tech. PI: Firstly,interviewer went through my whole resume.He started asking questions from project done during summer internship.Questions were:
1.What is he project about?
2.Difference between 3G and 4G.
3.What is the aim of this research internship?
4.How much was i able to complete in two months?(I told that i am continuing as major project,since in two months time i could not get desired result).
Then, he went onto programming language i was comfortable. I answered C.
1.sizeof("shubham")
strlen("shubham")
I was asked to write output.Output would be 8 and 7. He asked why. Basic concepts should be clear.
2.Storage Classes in C-asked me concept and gave some questions to write output.
3.Constant pointers and pointers to constant. Asked to write output of snippets he gave.
4.malloc,caloc,realloc,free-syntax
5.Questions on pointers.
Basic concepts of let us C were asked mostly,that book is enough . Also see, GEEKSFORGEEKS, C section.
Operating System: Mutex and Semaphore,critical Section, Scheduling algorithms, Producer-Consumer Problem.
(Data Structures was not asked to me but others.)
Puzzles:
1. Maximum run a batsman can make in 50 overs.
2.There are 10 coins. 5 face head side and 5 as tail. You are blind folded.Make two piles of equal number of coins such that number of head in equal in both the piles.
Assumption:You can flip coin any number of times.
Question: Why do you want to join Samsung ,though placed in other company?
Questions: Any plans of future studies. I answered 'NO' only job.
Last question: Any question I would like to ask them. I asked what work would be doing in R&D. He explained me a lot of things.
Tips: 1.Be thorough with your project(done during internship or training) . You should be able to answer almost all the questions.
2.Study operating system very well if you plan to sit in samsung R&D.
3.Data structures and any one programming language.
4.Prepare puzzles as it can be asked by anyone. See programmerinterview.com etc.
5.Refer samsung archives of GEEKSFORGEEKS . Interview questions were mostly covering those.
Round: HR Interview
Experience: 1.Introduce yourself.
2.How would your friends describe you?
3.Tell the recent experiences of which makes you initiative.(i told that i am initiative,then he asked that question. So be ready with the examples,when u say any of your qualities.)
4.What is your weakness?
5.Puzzles.He asked me to fill the numbers from 1 to 8 in these 8 boxes, one number exactly once, such that no two consecutive elements are
adjacent(diagonally, horizontally or vertically) to each other.
-----/
6.Which places in India have you been?
Skills: Solving Logic Puzzles, Basic C/C++, Data Structures, Operating Systems
College Name: NIT Raipur
Interview Preparation Tips
Experience: Test for internship:1 aptitude test on quant and C. Around 50 were selected for internship. Next was PPO after the internship. Around 15 were selected.
General Tips: Work very hard during internship. Don't worry whether they will take you in or not.
Amazing experience it was be strong with aptitude, coding.
Skill Tips: Prepare quantitative Aptitude by R.S. Aggarwal.
Prefer Indiabix for C aptitude.
Skills:
College Name: NIT Surathkal
I applied via Job Portal and was interviewed in Mar 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Basic questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Jan 2016. There were 3 interview rounds.
Interview Preparation Tips
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 Preparation Tips
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
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
- 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...
- 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...
- 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
- 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);
- 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
- 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
- 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
- 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...
Interview Preparation Tips
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...
- 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
- 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.
- 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.
- 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...
- 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
- 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...
- 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...
- 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.
- 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++
- Q14. The classical 3l, 5l puzzle
Interview Preparation Tips
College Name: NA
Skills evaluated in this interview
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