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Diebold Nixdorf Interview Questions, Process, and Tips

Updated 24 Nov 2024

Top Diebold Nixdorf Interview Questions and Answers

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45 interviews found

Software Engineer Interview Questions & Answers

user image Santhosh Medide

posted on 2 Sep 2015

Interview Questionnaire 

13 Questions

  • Q1. Explain Polymorphism,Constructors,Destructors,Classes
  • Ans. 

    Polymorphism is the ability of an object to take on many forms. Constructors and destructors are special methods in classes.

    • Polymorphism allows objects to be treated as instances of their own class or as instances of their parent class.

    • Constructors are used to initialize objects when they are created. Destructors are used to clean up after an object when it is destroyed.

    • Classes are templates for creating objects. They ...

  • Answered by AI
  • Q2. Explain Encapsulisation
  • Ans. 

    Encapsulation is the process of hiding implementation details and exposing only the necessary information to the user.

    • Encapsulation is achieved through access modifiers like public, private, and protected.

    • It helps in achieving data abstraction and information hiding.

    • Encapsulation provides better control over the data and prevents unauthorized access.

    • Example: A class with private variables and public methods to access t...

  • Answered by AI
  • Q3. Remove duplicates in linked lists
  • Ans. 

    Remove duplicates in linked lists

    • Traverse the linked list and keep track of visited nodes using a hash table

    • If a node is already visited, remove it from the linked list

    • Time complexity: O(n), Space complexity: O(n)

  • Answered by AI
  • Q4. Explain mergesort and implement it in code
  • Ans. 

    Mergesort is a divide-and-conquer algorithm that sorts an array by dividing it into two halves, sorting each half, and merging them.

    • Divide the array into two halves

    • Sort each half recursively

    • Merge the two sorted halves

    • Repeat until the entire array is sorted

    • Example: ['apple', 'banana', 'cherry', 'date'] -> ['apple', 'banana', 'cherry', 'date'] -> ['apple', 'banana'], ['cherry', 'date'] -> ['apple'], ['banana'], ['cherry'...

  • Answered by AI
  • Q5. Reverse a string
  • Ans. 

    Reverse a given string

    • Create an empty string

    • Iterate through the original string in reverse order

    • Append each character to the empty string

    • Return the reversed string

  • Answered by AI
  • Q6. Reverse words in a string
  • Ans. 

    Reverse words in a string

    • Split the string into an array of words

    • Reverse the array

    • Join the array into a string

  • Answered by AI
  • Q7. Check if a string is palindrome or not
  • Ans. 

    Check if a string is palindrome or not

    • Reverse the string and compare with original

    • Compare characters from start and end of string

    • Ignore spaces and punctuation marks while comparing

  • Answered by AI
  • Q8. Puzzles- threads,deficient coin,25 horses,two jars
  • Q9. Tell me about yourself
  • Ans. 

    I am a software engineer with experience in developing web applications and a passion for problem-solving.

    • Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

    • Proficient in programming languages such as Java and Python

    • Skilled in problem-solving and troubleshooting

    • Strong communication and collaboration skills

    • Passionate about staying up-to-date with the latest technologies

  • Answered by AI
  • Q10. Why not GATE
  • Ans. 

    GATE is not my preferred choice as I am more interested in software development than research.

    • I am more interested in practical application of software development than theoretical research

    • I believe my skills and interests align better with software engineering roles

    • I have researched and found that software engineering roles do not require a GATE qualification

  • Answered by AI
  • Q11. Why not MS
  • Ans. 

    I prefer open-source technologies and have more experience with them.

    • I have more experience with open-source technologies like Linux and Python.

    • I believe in the benefits of open-source software for collaboration and innovation.

    • I am not opposed to using MS technologies if they are the best fit for the project.

    • However, I prefer to work with technologies that align with my values and experience.

  • Answered by AI
  • Q12. Why Diebold
  • Ans. 

    Diebold offers challenging work and opportunities for growth in the software engineering field.

    • Diebold has a strong reputation in the industry

    • The company offers a diverse range of projects and technologies to work on

    • There are opportunities for career growth and development

    • The work is challenging and rewarding

    • Diebold values innovation and creativity in its employees

  • Answered by AI
  • Q13. Why into Software although you are from ECE
  • Ans. 

    Software is the future and ECE has a strong foundation in programming and problem-solving.

    • ECE curriculum includes programming courses

    • Software development is a growing industry

    • Programming skills are transferable across fields

    • Interest in software development and problem-solving

    • Opportunities to work on software projects during ECE studies

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: General Aptitude had 25 questions ,35 minutes was alloted and wasn't much difficult when compared to other company aptitude tests.
Microprocessors had 15 questions ,25 min was alloted and it covered basic and mediocre level questions from Intel 8086 and some c-apti questions.
Tips: www.indiabix.com for general aptitude and c-apti

Duration: 60 minutes
Total Questions: 40

Round: Technical Interview
Tips: Refer any C++ text book
www.geeksforgeeks.com- for any technical interview
www.indiabix.com for puzzles

Round: HR Interview
Tips: Don't just simply say that you are hardworking,punctual etc.Elab

College Name: NIT Surathkal

Skills evaluated in this interview

Top Diebold Nixdorf Software Engineer Interview Questions and Answers

Q1. Explain Polymorphism,Constructors,Destructors,Classes
View answer (3)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)
Interview experience
1
Bad
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed in Oct 2024.

Round 1 - One-on-one 

(3 Questions)

  • Q1. Why are you alive?
  • Ans. 

    I am alive to experience the beauty of life, learn, grow, and make a positive impact on the world.

    • To experience the beauty of life

    • To learn and grow as a person

    • To make a positive impact on the world

  • Answered by AI
  • Q2. Why did you study?
  • Q3. Why do you celebrate?
  • Ans. 

    I celebrate to acknowledge achievements, milestones, and special occasions in my life.

    • Celebrating helps me appreciate my accomplishments and hard work

    • It allows me to share joy and happiness with loved ones

    • Celebrations create lasting memories and strengthen relationships

    • It provides a sense of closure and motivation for future goals

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - This guy was a team lead & thought he rules everything in the entire world. Only asked questions about my personal which I don't even share with my close one's. This guy should stop worrying about others personal matters & take care of himself & be professional.

Service Desk Executive Interview Questions asked at other Companies

Q1. What do you know about incident management?
View answer (1)
Diebold Nixdorf Interview Questions and Answers for Freshers
illustration image
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
More than 8 weeks
Result
No response

I applied via Company Website and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Difference between MAC address & IP Address
  • Ans. 

    MAC address is a unique identifier assigned to network interfaces for communications at the data link layer, while IP address is a unique identifier assigned to devices for communications at the network layer.

    • MAC address is a hardware address that uniquely identifies a device on a network.

    • IP address is a logical address that identifies a device on a network.

    • MAC address is assigned by the manufacturer and usually does n...

  • Answered by AI
  • Q2. Difference between Switch and Hub
  • Ans. 

    Switch forwards data to specific devices based on MAC addresses, while hub broadcasts data to all connected devices.

    • Switch operates at the data link layer (Layer 2) of the OSI model, while hub operates at the physical layer (Layer 1).

    • Switch is more efficient as it reduces network congestion by only sending data to the intended recipient, while hub causes more collisions and traffic.

    • Examples: Cisco Catalyst Switch, Netg

  • Answered by AI
  • Q3. Whats VPN and its workings
  • Ans. 

    VPN stands for Virtual Private Network, a secure connection that allows users to access the internet privately and securely.

    • VPN encrypts data to ensure privacy and security

    • It masks the user's IP address to protect their identity

    • Commonly used for remote work, accessing geo-blocked content, and enhancing online security

    • Examples include NordVPN, ExpressVPN, and CyberGhost

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - This organization is very slow on the Interview process, HR are not knowledgeable & are unprofessional. They don't update you on the status for weeks together, been more than a month. But they won't reject you, they'll just put the Interview on hold. And still put up posts on naukri that they're hiring.

Skills evaluated in this interview

Technical Support Engineer 2 Interview Questions asked at other Companies

Q1. How the Corporate Networks work and how can we secure our Network?
View answer (1)
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is RAM and ROM
  • Ans. 

    RAM stands for Random Access Memory, used for temporary storage of data that can be accessed quickly. ROM stands for Read-Only Memory, used for permanent storage of data that cannot be easily modified.

    • RAM is volatile memory that stores data temporarily while the computer is on

    • ROM is non-volatile memory that stores data permanently and cannot be easily modified

    • RAM is faster but loses data when power is turned off

    • Example...

  • Answered by AI
  • Q2. What switch and how do you trouble shoot network issues
  • Ans. 

    Troubleshooting network issues involves identifying the switch causing the problem and using various techniques to resolve it.

    • Identify the switch experiencing the issue by checking network logs or using network monitoring tools.

    • Verify physical connections and configurations on the switch to ensure they are correct.

    • Use command line tools like ping, traceroute, and netstat to diagnose network connectivity problems.

    • Check ...

  • Answered by AI

Skills evaluated in this interview

Associate Technical Engineer Interview Questions asked at other Companies

Q1. What do you think is the most impactful technology today?
View answer (1)

Diebold Nixdorf interview questions for popular designations

 Software Engineer

 (4)

 Software Engineer Trainee

 (3)

 Service Engineer

 (3)

 Technical Support Engineer 2

 (2)

 Senior Software Engineer

 (2)

 Technical Support Associate

 (2)

 Security Engineer

 (1)

 Process Associate

 (1)

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Introduce your self
  • Ans. 

    I am a dedicated Technical Support Engineer with 5 years of experience in troubleshooting hardware and software issues.

    • 5 years of experience in technical support

    • Skilled in troubleshooting hardware and software problems

    • Strong communication and problem-solving skills

  • Answered by AI
  • Q2. Components of mother board
  • Ans. 

    Components of a motherboard include CPU, RAM, GPU, BIOS, SATA ports, USB ports, and expansion slots.

    • CPU (Central Processing Unit)

    • RAM (Random Access Memory)

    • GPU (Graphics Processing Unit)

    • BIOS (Basic Input/Output System)

    • SATA ports

    • USB ports

    • Expansion slots

  • Answered by AI

Skills evaluated in this interview

Technical Support Engineer 2 Interview Questions asked at other Companies

Q1. How the Corporate Networks work and how can we secure our Network?
View answer (1)

Get interview-ready with Top Diebold Nixdorf Interview Questions

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Azure services?
Round 2 - Technical 

(1 Question)

  • Q1. Azure kubernetes services?
Round 3 - HR 

(1 Question)

  • Q1. Pay expectations?

Cloud Operations Engineer Interview Questions asked at other Companies

Q1. How do you give access to users via az portal
View answer (1)

Jobs at Diebold Nixdorf

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Interview Questions & Answers

user image Anonymous

posted on 20 Nov 2024

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Job Portal and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. Responsibility of my current job
  • Q2. My work experiance
Round 2 - Technical 

(2 Questions)

  • Q1. Whats motherboard?
  • Q2. What is ram in PC?
  • Ans. 

    RAM in a PC stands for Random Access Memory, which is a type of computer memory that can be accessed randomly.

    • RAM is a type of volatile memory that stores data and machine code currently being used by the CPU.

    • It allows for quick read and write access to data, which helps improve the overall performance of a computer.

    • Examples of RAM include DDR4, DDR3, and LPDDR4.

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jan 2024. There were 3 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Basic questions on opps, c#, asp. Net and angular, sql
Round 2 - Technical 

(1 Question)

  • Q1. Deep discussion on oops, angular, c# and sql. Like writing some queries and oops concepts syntax writing on notepad
Round 3 - Behavioral 

(1 Question)

  • Q1. Basic discussion on my projects and they explain their projects and methodology they follows. Their day to day tasks

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare technical interview questions and if you are not aware about some technologies then inform then instead of giving false answers. And keep your any one from both front end or back end strong

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

Interview Questions & Answers

user image uday maturi

posted on 9 Jul 2024

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Jan 2024.

Round 1 - One-on-one 

(6 Questions)

  • Q1. Self introduction
  • Q2. JAM random topic
  • Q3. Difference between Bus vs Hub
  • Q4. Difference between Router vs Modem
  • Q5. Are you okay with salary
  • Q6. Why do you want to work in non tech role

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Nov 2023. There were 3 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 - Aptitude Test 

It was aptitude test with quantitative logical and coding sections

Round 3 - Technical 

(5 Questions)

  • Q1. Asked questions on cybersecurity
  • Q2. Do you know about CIA
  • Q3. Which one is most important in CIA according to you
  • Ans. 

    Confidentiality is the most important in CIA according to me.

    • Confidentiality ensures that sensitive information is protected from unauthorized access.

    • It involves implementing access controls, encryption, and secure communication channels.

    • Examples include securing user data, protecting trade secrets, and safeguarding classified information.

    • Confidentiality is crucial in maintaining trust, privacy, and preventing data bre

  • Answered by AI
  • Q4. SQL injection, various attacks , SSL certificate etc
  • Q5. SSL CERTIFICATE

Interview Preparation Tips

Interview preparation tips for other job seekers - For this role it's good if you have cyber security knowledge about various threats and attacks

Security Engineer Interview Questions asked at other Companies

Q1. 1. What is Cryptography? Cryptography is the practice and study of techniques for securing information and communication mainly to protect the data from third parties that the data is not intended for. 2. What is the difference between Symm... read more
View answer (25)
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Write code of palindrome
  • Ans. 

    Code to check if a given string is a palindrome or not.

    • Create a function that takes a string as input

    • Remove all non-alphanumeric characters and convert to lowercase

    • Compare the original string with its reverse to check for palindrome

  • Answered by AI
  • Q2. How to pass data in angular from component to component
  • Ans. 

    Data can be passed in Angular from component to component using input properties, output properties, services, and state management libraries like NgRx.

    • Use @Input decorator to pass data from parent to child component

    • Use @Output decorator to emit events from child to parent component

    • Use services to share data between components

    • Use state management libraries like NgRx for complex data sharing scenarios

  • Answered by AI

Skills evaluated in this interview

Top Diebold Nixdorf Software Engineer Interview Questions and Answers

Q1. Explain Polymorphism,Constructors,Destructors,Classes
View answer (3)

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (196)
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Diebold Nixdorf Interview FAQs

How many rounds are there in Diebold Nixdorf interview?
Diebold Nixdorf interview process usually has 2-3 rounds. The most common rounds in the Diebold Nixdorf interview process are Technical, One-on-one Round and HR.
How to prepare for Diebold Nixdorf interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Diebold Nixdorf. The most common topics and skills that interviewers at Diebold Nixdorf expect are Recruitment, Business Transformation, Troubleshooting, Customer Service and Monitoring.
What are the top questions asked in Diebold Nixdorf interview?

Some of the top questions asked at the Diebold Nixdorf interview -

  1. Brief professional introduction Process of change management KPI associated wit...read more
  2. Given an array, sort it using a tree(Write the whole co...read more
  3. Explain Polymorphism,Constructors,Destructors,Clas...read more
How long is the Diebold Nixdorf interview process?

The duration of Diebold Nixdorf interview process can vary, but typically it takes about less than 2 weeks to complete.

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Diebold Nixdorf Interview Process

based on 40 interviews

Interview experience

3.7
  
Good
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Diebold Nixdorf Reviews and Ratings

based on 559 reviews

3.8/5

Rating in categories

3.4

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3.7

Work-life balance

3.6

Salary

3.6

Job security

3.6

Company culture

3.0

Promotions

3.4

Work satisfaction

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