UST Software Developer II Interview Questions and Answers

90 min test containing verbal, Quantitative aptitude and question based on diagrams

Q1. Which programming language will you prefer?
Ans. 
I prefer programming languages like Python and Java for their versatility and widespread use in the industry.
• I prefer Python for its simplicity, readability, and vast libraries for various tasks.

• I also like Java for its strong typing, object-oriented approach, and cross-platform compatibility.

• I am open to learning new languages as needed for specific projects or tasks.
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Q2. Question based on projects and internships
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Q1. Generative AI basics like chatgpt, Gemini etc
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Q2. Little bit same like first round about programming languages and databases
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The first round is the aptitude+Core Subjects(Dsa+Cloud+Networking+Sql+Devops+ML)+ Coding One basic and one Advance

2 coding question were there and we need to solve eit in 45 minutes

Q1. Asked a DSA questions
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Q2. Some random question about project.
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Merit and demerit of Machine learning ?

General Aptitude and reasoning

Q1. Oops concept, DBMS , Data Structure
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Q2. What is Normalisation?
Ans. 
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 pe...read more
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Q3. What is polimorphism?
Ans. 
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 a
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Q4. What is Stack and Pre and post Tree formation
Ans. 
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.
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Q1. Tell me about yourself
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Q2. Tell me About company ?
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Round duration - 90 minutes
Round difficulty - Medium

Q1. 
Height of a Binary Tree
You are provided with an arbitrary binary tree consisting of 'N' nodes where each node is associated with a certain value. The task is to determine the height of the tree.
Explana...read more
Ans. 
The height of a binary tree is the maximum number of edges from the root to a leaf node.
• Traverse the tree recursively and keep track of the maximum height

• If the current node is null, return 0

• Otherwise, calculate the height of the left and right subtrees and return the maximum height plus 1
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Q2. 
Trapping Rain Water Problem Statement
You are given a long type array/list ARR of size N, representing an elevation map. The value ARR[i] denotes the elevation of the ith bar. Your task is to determine th...read more
Ans. 
The question asks to calculate the total amount of rainwater that can be trapped in the given elevation map.
• Iterate through the array and find the maximum height on the left and right side of each bar.

• Calculate the amount of water that can be trapped on each bar by subtracting its height from the minimum of the maximum heights on both sides.

• Sum up the trapped water for all bars and return the total amount.
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Round duration - 45 minutes
Round difficulty - Medium

Q1. 
Merge Two Sorted Arrays Problem Statement
Given two sorted integer arrays ARR1 and ARR2 of size M and N, respectively, merge them into ARR1 as one sorted array. Assume that ARR1 has a size of M + N to hol...read more
Ans. 
The task is to merge two sorted arrays into one sorted array.
• Create a new array with size M + N to store the merged array

• Use two pointers to iterate through the elements of ARR1 and ARR2

• Compare the elements at the current pointers and add the smaller element to the new array

• Move the pointer of the array from which the element was added

• Repeat the process until all elements are merged

• If there are remaining elements in AR...read more
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Q1. Diff between HANA and ECC
Ans. 
HANA is an in-memory database platform while ECC is a traditional ERP system.
• HANA is designed to handle large amounts of data in real-time while ECC is not optimized for real-time processing.

• HANA uses column-based storage while ECC uses row-based storage.

• HANA has a simpler data model and can handle unstructured data while ECC has a more complex data model.

• HANA is a newer technology while ECC has been around for decades...read more
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Q2. Must know the details of FM's used in devlops
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Q1. SQL and COGNOS related questions were asked.
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Q1. SQL and cognos Related questions were asked.
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Q1. What is the expected CTC and few questions related to notice period and pay details.
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