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Alcatel-Lucent Software Engineer Interview Questions, Process, and Tips
Top Alcatel-Lucent Software Engineer Interview Questions and Answers
- Q1. OSI network model and protocols on Layer 2 and Layer 3
- Q2. In detailed working of Routers(with practical example).Its difference with a switch
- Q3. Practical example on difference between OSI and TCP/IP network model
Alcatel-Lucent Software Engineer Interview Experiences
4 interviews found
Anand Kadur
Team work - how to participate, foster etc.
(2 Questions)
- Q1. Ambition and how to work towards it
- Q2. How to function in a team
Anonymous
Selected
I applied via Referral and was interviewed before May 2023. There were 4 interview rounds.
(1 Question)
- Q1. Basics of networking , project related questions
(1 Question)
- Q1. Network troubleshooting questions
(1 Question)
- Q1. Brief explanation of the project
(1 Question)
- Q1. CTC discussion and project explanation
Interview Questionnaire
8 Questions
- Q1. Str[]=
- Ans.
str[] is an array of strings.
str[] can hold multiple strings in a single variable.
Each element in str[] is a string.
str[] can be accessed using index numbers.
- Q2. Factorial and Fibonacci with and without recurssion
- Ans.
Factorial and Fibonacci can be calculated with or without recursion.
Factorial can be calculated using a loop or recursion.
Fibonacci can be calculated using a loop or recursion.
Recursion can lead to stack overflow for large inputs.
Iterative solutions are more efficient for large inputs.
- Q3. Process Scheduling in OS
- Ans.
Process scheduling is the method by which the operating system decides which process to run first.
Process scheduling is an important part of operating system design.
It involves deciding which process to run first, based on various criteria such as priority, time slice, and resource availability.
There are several scheduling algorithms, including First-Come-First-Serve (FCFS), Round Robin, and Priority Scheduling.
FCFS is...
- Q4. Have you worked on LINUX
- Ans.
Yes, I have worked extensively on LINUX.
I have experience in LINUX system administration and shell scripting.
I have developed applications using C++ and Python on LINUX platform.
I have worked with various LINUX distributions such as Ubuntu, CentOS, and Red Hat.
I am familiar with LINUX command line tools and utilities.
I have worked with LINUX servers and virtual machines.
- Q5. We have given a string and we have to tell the output of printf(
- Q6. Difference in Function overloading and overriding
- Ans.
Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a derived class function with the same name and parameters as the base class function.
Function overloading is a compile-time polymorphism concept while function overriding is a runtime polymorphism concept.
Function overloading is used to provide multiple ways to call a function with different par...
- Q7. OOPs Concepts
- Q8. Projects (He was interested in programming on linux so be familiar with linux)
Interview Preparation Tips
Experience: There were many sections :
1. Aptitute
2. OS
3. Network
4. Java
5.DS
6. C
College Name: NA
Skills evaluated in this interview
Interview Questionnaire
6 Questions
- Q1. Introduce yourself
- Ans.
I am a software engineer with experience in developing web applications and mobile apps.
I have a degree in Computer Science
I am proficient in programming languages such as Java, Python, and JavaScript
I have experience working with frameworks such as React and Angular
I have developed several web applications and mobile apps, including a social media platform and a fitness tracking app
- Q2. OSI network model and protocols on Layer 2 and Layer 3
- Ans.
OSI network model has 7 layers. Layer 2 is Data Link layer and Layer 3 is Network layer.
Layer 2 protocols include Ethernet, Wi-Fi, and PPP
Layer 3 protocols include IP, ICMP, and ARP
Data Link layer provides error-free transmission over physical layer
Network layer provides logical addressing and routing of data packets
- Q3. Layer 2 and Layer 3 devices (hardware used)
- Ans.
Layer 2 devices operate at the data link layer, while Layer 3 devices operate at the network layer.
Layer 2 devices include switches and bridges.
Layer 3 devices include routers and layer 3 switches.
Layer 2 devices forward frames based on MAC addresses.
Layer 3 devices forward packets based on IP addresses.
- Q4. In detailed working of Routers(with practical example).Its difference with a switch
- Ans.
Routers direct traffic between networks while switches connect devices within a network.
Routers use IP addresses to direct traffic between networks
Routers can prioritize traffic based on Quality of Service (QoS)
Switches use MAC addresses to connect devices within a network
Switches can create virtual LANs (VLANs) to segment a network
Example of a router: Cisco ISR 4000 series
Example of a switch: Cisco Catalyst 2960 serie
- Q5. Practical example on difference between OSI and TCP/IP network model
- Ans.
OSI has 7 layers while TCP/IP has 4 layers.
OSI model is theoretical while TCP/IP is practical
OSI has a dedicated session layer while TCP/IP does not
TCP/IP combines the presentation and session layers into one
OSI is more complex and rarely used in practice
TCP/IP is the standard for internet communication
- Q6. Program on string reversal (any language)
- Ans.
Program to reverse a string in any language
Declare a string variable
Loop through the string in reverse order
Append each character to a new string variable
Return the new string variable
Interview Preparation Tips
Experience: It was a general + technical aptitude test of medium level difficulty.Speed and accuracy do matter here to crack this round. Basic theoretical concepts learnt during B.Tech were checked in this round.
Tips: Before the Selection process, do brush up on basics of important core subjects of syllabus.
Duration: 90 minutes
Total Questions: 70
Round: Technical Interview
Experience: Started with basic questions on networking and communication concepts.Slowly progressed to in-detail questions.Have a strong hold on the subject you like and Final Year project was emphasized.
Tips: Dont hassle if you dont know the answer for some questions.Keep yourself cool.
General Tips: 1: Be Confident.
2: Keep Smiling.
3: Do not be Panic.
4: Remember they are here to hire you but not reject you.
5: Do not loose hope.
6: Believe at yourself.
7: Start preparing early.
8: Do demo interviews with your friend.
Skills: Speed, Programming, Computer networks knowledge, Accuracy
College Name: VIT VELLORE
Motivation: Every body joins a comapny for making a software or earning money. But I was always motivated to MAKE MONEY. I have taken this job because they have very extensive work in Share Market and they have lots of MBA from IIM's, Lots of CAs, CS. Thats why i have choosen Edelweiss. I have rejected epic System USA for this profile.
Skills evaluated in this interview
Alcatel-Lucent interview questions for designations
Top trending discussions
Interview questions from similar companies
Shubham Chandra
I was interviewed before Sep 2016.
Interview Questionnaire
16 Questions
- Q1. On what technology you have worked?
- Ans.
I have worked on various technologies including Java, Python, AWS, Docker, and Kubernetes.
Java
Python
AWS
Docker
Kubernetes
- Q2. Case studies of daily operational activities?
- Ans.
Daily operational activities case studies
Case study of optimizing production line for efficiency
Case study of implementing new safety protocols in a manufacturing plant
Case study of troubleshooting and resolving technical issues in a software development team
Case study of streamlining inventory management in a retail store
Case study of improving customer service processes in a call center
- Q3. What is project management?
- Ans.
Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.
It involves defining project goals and objectives
Creating a project plan and timeline
Assigning tasks and responsibilities to team members
Monitoring progress and making adjustments as needed
Ensuring that the project is completed on time, within budget, and meets the desired quality standards
Examples ...
- Q4. What is financial and cost control during project management?
- Ans.
Financial and cost control is the process of monitoring and managing project expenses to ensure they stay within budget.
Developing a detailed budget plan
Tracking expenses and comparing them to the budget plan
Identifying and addressing cost overruns
Negotiating with vendors to get the best prices
Implementing cost-saving measures
Regularly reporting on financial status to stakeholders
- Q5. What is resource management?
- Ans.
Resource management is the process of planning, allocating, and optimizing resources to achieve organizational goals.
It involves identifying the resources needed for a project or task
Allocating those resources in an efficient manner
Monitoring and controlling resource usage to ensure optimal performance
Examples include managing personnel, finances, equipment, and time
Effective resource management can lead to increased p
- Q6. What is 2G , 3G, 4G call flow?
- Ans.
2G, 3G, and 4G call flow are the processes involved in establishing and maintaining a mobile phone call.
2G call flow involves circuit-switched technology and uses Time Division Multiple Access (TDMA) for voice transmission.
3G call flow uses packet-switched technology and supports both voice and data transmission.
4G call flow uses Long-Term Evolution (LTE) technology and provides high-speed data transmission.
All call fl...
- Q7. What is single RAN?
- Ans.
Single RAN is a network architecture that allows multiple wireless technologies to be supported on a single physical network.
Single RAN stands for Single Radio Access Network.
It enables multiple wireless technologies such as 2G, 3G, 4G, and 5G to be supported on a single physical network.
This reduces the need for multiple hardware and software components, resulting in cost savings and simplified network management.
Sing...
- Q8. What is VOLTE?
- Ans.
VOLTE stands for Voice over LTE. It is a technology that allows voice calls to be made over a 4G LTE network.
VOLTE uses IP packets to transmit voice calls over the LTE network
It provides better call quality and faster call setup times compared to traditional 2G/3G networks
VOLTE also allows for simultaneous voice and data usage on the same network
Examples of VOLTE-enabled devices include iPhone 6 and above, Samsung Gala...
- Q9. Difference between LTE & VOLTE?
- Ans.
LTE is a standard for wireless broadband communication while VoLTE is a technology that enables voice calls over LTE network.
LTE stands for Long-Term Evolution and is a standard for wireless broadband communication.
VoLTE stands for Voice over LTE and is a technology that enables voice calls over LTE network.
LTE is used for data transfer while VoLTE is used for voice calls.
VoLTE provides better call quality and faster c...
- Q10. What is transport network?
- Ans.
Transport network refers to the infrastructure that enables the movement of people, goods, and information.
Transport network includes roads, railways, airports, seaports, and communication networks.
It plays a crucial role in the economy by facilitating trade and commerce.
Examples of transport networks include the interstate highway system in the US and the European railway network.
Transport network planning involves op...
- Q11. Difference between ABIS over IP and ABIS over TDM?
- Ans.
ABIS over IP and ABIS over TDM are two different methods of transmitting biometric data.
ABIS over IP uses internet protocol to transmit biometric data while ABIS over TDM uses time-division multiplexing.
ABIS over IP is more flexible and scalable than ABIS over TDM.
ABIS over TDM is more reliable and secure than ABIS over IP.
ABIS over IP is suitable for remote locations while ABIS over TDM is suitable for local networks.
...
- Q12. Basic architecture of 2G , 3G & 4G?
- Ans.
2G, 3G, and 4G are mobile network technologies with different architectures.
2G uses circuit-switched technology and is primarily used for voice calls and text messaging.
3G uses packet-switched technology and offers faster data transfer rates than 2G.
4G uses all-IP packet-switched technology and provides even faster data transfer rates than 3G.
4G also supports advanced features like VoLTE and carrier aggregation.
Each ge...
- Q13. Introduce yourself?
- Ans.
I am a Senior engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.
10+ years of experience in software development
Specialize in backend systems and cloud technologies
Strong problem-solving skills
Experience with large-scale distributed systems
Proficient in programming languages such as Java, Python, and Go
- Q14. What are the experiences of your previous companies?
- Ans.
I have worked in various companies ranging from startups to large corporations, gaining experience in diverse technologies and industries.
Worked in a startup where I was responsible for developing a scalable backend system using Node.js and MongoDB.
At a mid-sized company, I led a team in implementing CI/CD pipelines for faster and more reliable software delivery.
In a large corporation, I worked on optimizing performanc...
- Q15. Why do you want to join this company?
- Ans.
I am impressed by the company's innovative projects and strong reputation in the industry.
Company's reputation for cutting-edge technology
Opportunity to work on challenging projects
Positive reviews from current employees
- Q16. What is your notice period? Is it negotiable or not?
- Ans.
My notice period is currently 3 months, but it may be negotiable depending on the circumstances.
My current notice period is 3 months
I am open to negotiation depending on the circumstances
I can provide examples of when I have negotiated notice periods in the past
Interview Preparation Tips
Experience: Submitted resume online through portal and received the call. Technical Telephonic interview was scheduled.
Tips: Resume should be as per the desired profile.
Round: Technical Interview
Experience: In this round interviewer asks basic technical questions based on the previous experiences that was mentioned in my resume.
Tips: Study all the points mentioned in the resume very deeply.
Round: Technical Interview
Tips: Given your answers to the point. It should be in brief .
Round: HR Interview
Tips: Conversation should be in proper communication. Try to convince the HR for joining. Negotiate the salary as per the profile offered to you.
Skills: Technical Skill, Communication And Confidence, Team Working Ability
Skills evaluated in this interview
I was interviewed before Mar 2021.
Round duration - 15 minutes
Round difficulty - Easy
This was a group discussion round where we were divided into groups of 10 and we had 15 minutes for GD.
(6 Questions)
Round duration - 60 minutes
Round difficulty - Medium
This is all about how good you are with the fundamentals. Out of 10 I would give it a 6.5 on difficulty.
- Q1.
Reverse the String Problem Statement
You are given a string
STRwhich contains alphabets, numbers, and special characters. Your task is to reverse the string.Example:
Input:
STR = "abcde"
Output:
"e...
- Ans.
Reverse a given string containing alphabets, numbers, and special characters.
Iterate through the string from the end to the beginning and append each character to a new string.
Use built-in functions like reverse() or StringBuilder in languages like Python or Java for efficient reversal.
Handle special characters and numbers while reversing the string.
Ensure to consider the constraints on the length of the string and the
- Q2. What is a deadlock?
- Ans.
A deadlock is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
Occurs in multitasking environments where processes compete for limited resources
Can be resolved using techniques like deadlock prevention, deadlock avoidance, and deadlock detection
Example: Process A holds Resource X and waits for Resource Y, while Process B holds Resource Y and wa
- Q3. What is a thread?
- Ans.
A thread is a lightweight sub-process that allows concurrent execution within a single process.
Threads share the same memory space within a process.
Threads are used to achieve parallelism and improve performance.
Examples of threads include the main thread in a program and worker threads in a multi-threaded application.
- Q4. What is the difference between Multiprocessing and Multiprogramming?
- Ans.
Multiprocessing involves multiple processors executing multiple tasks simultaneously, while multiprogramming involves multiple programs sharing a single processor by switching between them.
Multiprocessing utilizes multiple processors to execute multiple tasks concurrently.
Multiprogramming involves multiple programs sharing a single processor by switching between them.
Multiprocessing is more efficient in terms of perfor...
- Q5. Can you explain the process life cycle in an operating system?
- Ans.
Process life cycle in an operating system involves creation, execution, termination, and resource management.
Creation: When a process is created, it is assigned a unique process ID and allocated necessary resources.
Execution: The process is then scheduled by the operating system to run on the CPU.
Termination: Once the process completes its task or is terminated by the user, it is removed from memory.
Resource Management...
- Q6. What are the differences between Windows XP and Windows 7?
- Ans.
Windows XP and Windows 7 are both operating systems developed by Microsoft, but they have several key differences.
User interface: Windows 7 has a more modern and user-friendly interface compared to Windows XP.
Performance: Windows 7 is generally faster and more stable than Windows XP.
Security: Windows 7 has more advanced security features and updates compared to Windows XP.
Hardware support: Windows 7 supports newer hard...
(6 Questions)
Round duration - 60 minutes
Round difficulty - Easy
Technical round with questions on DBMS and Networking mainly.
- Q1. What is the difference between RDBMS and DBMS?
- Ans.
RDBMS is a type of DBMS that stores data in a structured format with relationships between tables.
RDBMS enforces referential integrity and allows for normalization of data.
DBMS is a general term for any system that manages databases, while RDBMS specifically refers to relational databases.
Examples of RDBMS include MySQL, Oracle, and SQL Server.
Examples of DBMS include MongoDB and Redis.
- Q2. What is an Object-Oriented Database Management System (OODBMS)?
- Ans.
An Object-Oriented Database Management System (OODBMS) is a type of database management system that supports the creation and management of objects in a database.
OODBMS stores data in the form of objects, which can contain attributes and methods.
It allows for complex data structures and relationships to be represented more easily.
Examples of OODBMS include db4o, ObjectDB, and ObjectStore.
- Q3. How do you find the number of unique values in a SQL database?
- Ans.
Use the COUNT DISTINCT function in SQL to find the number of unique values in a database.
Use the COUNT DISTINCT function along with the column name to count the number of unique values in that column.
For example, SELECT COUNT(DISTINCT column_name) FROM table_name;
You can also use GROUP BY to find the number of unique values for multiple columns.
- Q4. What is the difference between a hub and a switch in networking?
- Ans.
A hub operates at the physical layer and broadcasts data to all devices on the network, while a switch operates at the data link layer and forwards data only to the intended recipient.
Hub operates at the physical layer, while switch operates at the data link layer
Hub broadcasts data to all devices on the network, while switch forwards data only to the intended recipient
Switch is more efficient and secure compared to a
- Q5. Can you explain the different OSI layers?
- Ans.
The OSI (Open Systems Interconnection) model is a conceptual framework that standardizes the functions of a telecommunication or computing system into seven different layers.
Physical Layer: Deals with the physical connection between devices. Example: Ethernet cables.
Data Link Layer: Responsible for node-to-node communication. Example: MAC addresses.
Network Layer: Manages routing of data packets. Example: IP addresses.
T...
- Q6. What are the different protocols supported at each OSI layer?
- Ans.
Different protocols supported at each OSI layer
Layer 1 (Physical): Ethernet, Wi-Fi, Bluetooth
Layer 2 (Data Link): MAC, PPP, HDLC
Layer 3 (Network): IP, ICMP, ARP
Layer 4 (Transport): TCP, UDP, SCTP
Layer 5 (Session): NetBIOS, PPTP
Layer 6 (Presentation): SSL, TLS
Layer 7 (Application): HTTP, FTP, SMTP
Round duration - 15 minutes
Round difficulty - Easy
IF you make it to the HR round you are selected. All 28 that attended got selected . It was more like stuff for formality. The usual questions.
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Asked me about my research work That's it
- Q2. Asked about the course project that i did in BE and MS
Interview Preparation Tips
Experience: There was one question which was little tricky , but not that difficult
Total Questions: 1
Round: Technical + HR Interview
Experience: There was one question which was little tricky , but not that difficult
College Name: IIT Madras
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Project related questions
- Q2. Breifly explain about project
- Ans.
The project is a web-based application for managing inventory and sales of a retail store.
Developed using Java and Spring framework
Includes features such as product management, order management, and customer management
Utilizes MySQL database for data storage
Implemented security measures such as authentication and authorization
Designed with a responsive user interface for optimal user experience
- Q3. Tell me about yourself. Hobbies , strength and weakness
- Ans.
I am a software developer with a passion for coding and problem-solving. My hobbies include reading and playing video games.
Proficient in programming languages such as Java and Python
Strong problem-solving skills
Good communication and teamwork abilities
Weakness: Sometimes I tend to overthink and spend too much time on a problem
Hobbies: Reading books on technology and playing video games
- Q4. Will u stay in samsung?
- Ans.
I cannot make a commitment to staying at Samsung at this time.
I am open to exploring other opportunities
My decision will depend on various factors such as growth opportunities, work culture, and compensation
I value my time at Samsung and appreciate the experience gained
- Q5. Basic hr questions
Interview Preparation Tips
Experience: Problem similar to knapsack
Tips: dynamic programming
Duration: 3 hours
Total Questions: 1
Round: Technical Interview
Experience: Asked to explain about project. Some basic concepts in linear algebra and in deep learning like CNNs. Asked to implement Hungarian algorithm.
Tips: Brush up baisc ML and linear algebra concepts
Round: HR Interview
Experience: Asked where i did my btech. Asked why i switched by branch from electronics to computer science.
Tips: tell the truth to whatever is asked
Skills: Machine Learning
College Name: IIT Madras
Software Developer Interview Questions & Answers
Samsung
GURRAM HARINATHA REDDY cs13b010
posted on 2 Dec 2016
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Difference between DFS and BFS?
- Ans.
DFS and BFS are two popular graph traversal algorithms used in computer science.
DFS stands for Depth First Search and explores as far as possible along each branch before backtracking.
BFS stands for Breadth First Search and explores all the vertices at the present depth before moving on to the next level.
DFS uses a stack data structure to keep track of visited nodes while BFS uses a queue.
DFS is useful for finding path...
- Q2. When are double pointers used?
- Ans.
Double pointers are used to store the address of a pointer variable.
Double pointers are useful in dynamic memory allocation.
They are used to modify the value of a pointer passed to a function.
They can be used to create linked lists and trees.
Example: int **ptr; //declares a double pointer to an integer
- Q3. List all the permutations of the array?
- Ans.
Permutations of an array
Permutations are all possible arrangements of elements in an array
Number of permutations for an array of length n is n!
Use recursion to generate all permutations
Swap elements to generate different permutations
- Q4. What is the first biggest failure in your life?
- Ans.
My first biggest failure was not being able to clear an important exam in high school.
Failed to manage time effectively
Did not seek help from teachers or peers
Did not practice enough
Learned the importance of preparation and seeking help
Improved study habits and time management skills
Interview Preparation Tips
Duration: 3 hours
Total Questions: 1
College Name: IIT Madras
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Dec 2016. There were 5 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Asked to breifly explain about the project
- Q2. Asked to implement hungarian algorithm
- Q3. Tell about yourself
- Ans.
I am a software developer with experience in Java and Python.
Graduated with a degree in Computer Science
Worked on multiple projects using Java and Python
Familiar with Agile methodology
Passionate about learning new technologies
- Q4. Whats my strenghts and weaknesses?
- Ans.
My strength is problem-solving and attention to detail. My weakness is public speaking.
Strength: Strong problem-solving skills
Strength: Attention to detail
Weakness: Public speaking
Weakness: Difficulty with time management
Interview Preparation Tips
Experience: problem similar to knapssack
Tips: learn dynamic programming
Duration: 3 hours
Total Questions: 1
Round: Technical Interview
Experience: Asked basic ML and linear algebra questions
Tips: brush up ML and Linear Algebra concepts
Round: HR Interview
Experience: It was kind of a friendly discussion. She asked my why switched my branch from EC to CS for M.Tech?
Tips: Most of the questions were basic HR questions.
Skills: Machine Learning
College Name: IIT Madras
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Alcatel-Lucent Software Engineer Interview Process
based on 2 interviews
1 Interview rounds
- Technical Round
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