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Diebold Nixdorf
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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 ...
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...
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)
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'...
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
Reverse words in a string
Split the string into an array of words
Reverse the array
Join the array into a string
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
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
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
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.
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
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
I was interviewed in Oct 2024.
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
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
I applied via Company Website and was interviewed in May 2024. There was 1 interview round.
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...
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
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
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...
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 ...
Diebold Nixdorf interview questions for popular designations
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
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
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
Get interview-ready with Top Diebold Nixdorf Interview Questions
I applied via Job Portal and was interviewed in May 2024. There were 2 interview rounds.
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.
I applied via Naukri.com and was interviewed in Jan 2024. There were 3 interview rounds.
I was interviewed in Jan 2024.
I applied via Campus Placement and was interviewed in Nov 2023. There were 3 interview rounds.
It was aptitude test with quantitative logical and coding sections
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
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
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
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The duration of Diebold Nixdorf interview process can vary, but typically it takes about less than 2 weeks to complete.
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