Beltronic Consultancy Softwaretest Engineer Interview Questions and Answers

BAsci questions based on output

Q1. OPPS DSA basic Java basic
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Q1. Tell me about yourself Scenario-based questions
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Contained only mcq questions related to maths and reasoning

Q1. How to detect two loops in a linkedlist
Ans. 
Use Floyd's Cycle Detection Algorithm to detect two loops in a linked list.
• Initialize two pointers, slow and fast, both starting at the head of the linked list.

• Move slow pointer by one step and fast pointer by two steps in each iteration.

• If they meet at some point, there is a loop. Reset one pointer to head and move both by one step until they meet again to find the start of the loop.
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Q2. Mainly all the basics questions on DSA and C++ Language and all the ds like stacks, linkedlist, tree, array, queue,map difference between queue and stack
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Q1. Questions on project
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Q2. Code simple que like reverse the string in every possible language that is mentioned on yor resume ,like node js react or python and even c language
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Q3. Basics questions of os like deadlocks
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Q1. I was note selected for this round
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Verbal, reasoning,aptitude

Q1. MCQs related to CS
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2Coding questions and it was moderate level

Q1. What fifo? diff btwn fifo and lifo
Ans. 
FIFO stands for First In, First Out. LIFO stands for Last In, First Out.
• FIFO is a method for organizing and manipulating a data buffer, where the first element added is the first to be removed.

• LIFO is a method where the last element added is the first to be removed.

• FIFO is like a queue, while LIFO is like a stack.

• Example: In a FIFO queue, if elements A, B, and C are added in that order, they will be removed in the same...read more
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Q1. Just basics in java
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Q2. Advance oops concepts
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Q1. What do u know about our company
Ans. 
Company is a leading software development firm specializing in creating innovative solutions for various industries.
• Specializes in creating innovative software solutions

• Works with clients from various industries

• Known for high-quality and reliable products
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Q2. Strengths and waekness
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Q1. Prepare basics and and under why and what of any concept
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Q2. Be sure on what you answer, if not sure be sure on the answer you provide
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