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Nokia Networks Engineer- Customer Support Interview Questions and Answers

Updated 29 Jan 2023

Nokia Networks Engineer- Customer Support Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Technical question related 1) power Plant
  • Q2. 2) Battery Bank -- Lion /VRL batters

Interview Preparation Tips

Interview preparation tips for other job seekers - only work related asking questions customer relations

I applied via Naukri.com and was interviewed in Dec 2020. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. They ased me about trace analysis of ASBC, PSBC, TAS etc
  • Q2. Break in and Break out
  • Q3. Dusan, Call testing etc

Interview Preparation Tips

Interview preparation tips for other job seekers - My answer to a question was the genesis of interviewer's next question. So, an in depth knowledge is required

Engineer- Customer Support Interview Questions Asked at Other Companies

asked in Zomato
Q1. If the customer is very irate and he is speaking profanity,how wi ... read more
Q2. What do you mean when you talk about "50 Hz" in terms of frequenc ... read more
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asked in Wipro
Q4. What's software coding and languages and programming
Q5. What is the difference between domain & workgroup?

Interview questions from similar companies

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.

  • Answered by AI
  • 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.

  • Answered by AI
  • 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...

  • Answered by AI
  • 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.

  • Answered by AI
  • 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...

  • Answered by AI
  • Q7. OOPs Concepts
  • Q8. Projects (He was interested in programming on linux so be familiar with linux)

Interview Preparation Tips

Round: Test
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

  • Answered by AI
  • 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

  • Answered by AI
  • 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.

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI
  • 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

  • Answered by AI

Interview Preparation Tips

Round: Test
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

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

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Nokia Networks Interview FAQs

How many rounds are there in Nokia Networks Engineer- Customer Support interview?
Nokia Networks interview process usually has 2 rounds. The most common rounds in the Nokia Networks interview process are Resume Shortlist and One-on-one Round.
What are the top questions asked in Nokia Networks Engineer- Customer Support interview?

Some of the top questions asked at the Nokia Networks Engineer- Customer Support interview -

  1. They ased me about trace analysis of ASBC, PSBC, TAS ...read more
  2. Technical question related 1) power Pl...read more
  3. 2) Battery Bank -- Lion /VRL batt...read more

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Nokia Networks Engineer- Customer Support Salary
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₹3 L/yr - ₹7.5 L/yr
23% more than the average Engineer- Customer Support Salary in India
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