Seclore Trainee Production Engineer Interview Questions and Answers

10 core subject MCQs along with 3 coding questions

1 Fizz Buzz questions
2 third largest string in array of strings
3 operation on numbers given by strings

Q1. Almost all Basic concepts retlated to OS ie process, threads, multitasking, multiprogramming
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Q2. Concepts related to AWS
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Q3. Coding questions like 1. second largest element in array 2. stack implementation and its real time uses 3. frequency of characters in string
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Q1. Deep concepts related to CNS , related to your own laptop its processor , cores etc
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Q2. Top View of binary treee
Ans. 
Top view of binary tree is the nodes visible when viewed from the topmost node.
• Top view shows the nodes visible from the root node's perspective.

• Nodes are printed in the order of their horizontal distance from the root node.

• If two nodes have the same horizontal distance, the node that appears first in the level order traversal is printed first.
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Q1. Ds Algo round. Any programming language
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Q1. System design: url shortner, moving large file from one location to other location with LLD
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Q1. Salary discussion more of a formality if you clear technical rounds
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Medium level leetcode questions and some apti very rare but.

Q1. Good practice of ds algo and os
Ans. 
Good practice of data structures, algorithms, and operating systems is essential for software engineers.
• Regularly practice coding challenges to improve problem-solving skills

• Understand the time and space complexity of algorithms

• Learn about different data structures and when to use them

• Familiarize yourself with operating system concepts like processes, threads, and memory management
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Q2. Is given tree bst or not?
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Q3. Check whether cycle in linked list.
Ans. 
Check for cycle in a linked list by using two pointers approach.
• Use two pointers, one moving at double the speed of the other.

• If there is a cycle, the two pointers will eventually meet.

• Alternatively, use a hash set to keep track of visited nodes.
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Binary search tree
Linked list

Q1. Project related
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Q2. Technologies used
Ans. 
I have experience with a variety of technologies including Java, Python, SQL, and JavaScript.
• Java

• Python

• SQL

• JavaScript
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100 minutes, there were 3 coding questions and some easy to medium level mcq on core subjects

Q1. Isomorphic string
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Q2. What you'll use to implement a playlist
Ans. 
A playlist can be implemented using an array of strings to store the list of songs.
• Use an array of strings to store the list of songs in the playlist

• Implement functions to add, remove, and shuffle songs in the playlist

• Consider using a linked list data structure for more efficient insertion and deletion operations
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Easy medium to hard medium

Questions on array , linked list

Q1. Oops ,dbms,cn,operating system
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Q1. Easy question of hr round
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General Aptitude Test.

Q1. One to one discussion about OOPS, Hibernate, Java.
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Q2. What is one-one mapping.
Ans. 
One-one mapping is a relationship between two sets where each element of one set is associated with exactly one element of the other set.
• Each element in the first set maps to exactly one element in the second set.

• No two elements in the first set map to the same element in the second set.

• Example: Mapping employee IDs to employee names in a database.
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Q3. Explain Inheritance
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Allows a class to inherit attributes and methods from another class

• Promotes code reusability and reduces redundancy

• Creates a parent-child relationship between classes

• Derived class can override or extend the functionality of the base class

• Example: Class 'Car' can inherit from class 'Vehicle' and inh...read more
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Q4. Select 2nd top salary.
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