OnlineSales.ai Softwaretest Engineer Interview Questions and Answers

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Three questions were there one easy 2 medium

Q1. What's your weaknesses
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Q2. Whats your family background
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Q1. Tell me about your Project and why you use this tech for this project.
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Q2. Find the mid element in the link list.
Ans. 
To find the mid element in a linked list, use two pointers - one moving at double the speed of the other.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.

• The element pointed to by the slow pointer at this point is the mid element of the linked list.
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Q1. DSA Structures and Tests
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Understanding of data structures and algorithms is crucial for software engineering roles.
• Knowledge of common data structures like arrays, linked lists, trees, graphs, etc.

• Understanding of algorithms like sorting, searching, dynamic programming, etc.

• Ability to analyze time and space complexity of algorithms.

• Experience in writing efficient code using data structures and algorithms.

• Familiarity with common data structure ...read more
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Q2. Question on vertx
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Assignment to code a load balancer in node.js

Q1. You have a hotel and how will you create a complete schema for hotel
Ans. 
To create a complete schema for a hotel, you need to consider various entities like rooms, guests, reservations, staff, amenities, etc.
• Entities to include: rooms, guests, reservations, staff, amenities, invoices, payments

• Relationships between entities: guest stays in a room, staff manages reservations, amenities are available in rooms

• Attributes for each entity: room number, guest name, reservation date, staff ID, ameni
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