NTT Data Software Engineer Interview Questions and Answers

There are numerous ways to use a box full of pencils depending on the context and purpose.

• Pencils can be used for writing, drawing, sketching, coloring, shading, and more.

• They can be used for artistic purposes, schoolwork, office work, or personal use.

• Pencils can also be used as a tool for measurement, as a makeshift stylus, or even as a musical instrument.

• The number of ways to use a box full of pencils is virtually limitless and depends on the creativity and imagination of t...read more

Fibonacci series is a sequence of numbers where each number is the sum of the two preceding ones.

• Start with 0 and 1 as the first two numbers

• Add the previous two numbers to get the next number

• Repeat until desired number of terms

Stack is a data structure that follows LIFO. Pre and post tree formation are methods of traversing a tree.

• Stack is used for backtracking, undoing, and recursion.

• Pre-order traversal visits the root node first, then left subtree, then right subtree.

• Post-order traversal visits the left subtree, then right subtree, then root node.

I will use a combination of automation tools and manual processes to install, support and manage the platform.

• I will use automation tools like Ansible, Puppet or Chef to automate the installation process.

• I will create documentation and provide training to support the platform.

• I will monitor the platform using tools like Nagios or Zabbix to ensure it is running smoothly.

• I will provide support to users and troubleshoot any issues that arise.

• I will perform regular maintenance ta...read more

Capacity planning involves estimating future resource needs based on current and projected usage.

• Analyze current usage patterns and trends

• Forecast future demand based on growth projections

• Consider potential changes in technology or business needs

• Identify potential bottlenecks and plan for scalability

• Regularly review and adjust plans as needed

Implement a sorting program without using any built-in functions

• Iterate through the array and compare each element with the rest to sort

• Use a sorting algorithm like bubble sort, selection sort, or insertion sort

• Implement the sorting logic using loops and conditional statements

Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.

• It involves dividing larger tables into smaller ones and defining relationships between them.

• Normalization helps to eliminate data inconsistencies and anomalies.

• There are different levels of normalization, such as first normal form (1NF), second normal form (2NF), and so on.

• Normalization can improve database performance and make it easier to maintain.

• Example: A custom...read more

Polymorphism is the ability of an object to take on many forms.

• It allows objects of different classes to be treated as if they were objects of the same class.

• It is achieved through method overriding and method overloading.

• Example: A shape class can have multiple subclasses like circle, square, etc. and all can be treated as shapes.

• Example: A method can take an object of a parent class as a parameter and it can accept any of its child classes.