QSS Technosoft Inc. Senior Quality Analyst Interview Questions and Answers

Q1. Interview based on your programming language , how good you know like java or python or scala
Add your answer
Q2. Big data & Data science interview question like working of spark , Hive optimization of queries , what is graphx
Add your answer
Q3. Explain your recent project in detail
Add your answer

Q1. More deep dive in your expertise technologies like Spark DAG working explain
Add your answer
Q2. How you do data validation in hive
Ans. 
Data validation in Hive involves using built-in functions and custom scripts to ensure data accuracy and consistency.
• Use built-in functions like IS NULL, IS NOT NULL, and COALESCE to check for missing or null values

• Use regular expressions and pattern matching to validate data formats

• Write custom scripts to perform more complex data validation tasks

• Perform data profiling to identify potential data quality issues

• Use data...read more
Answered by AI
Add your answer

Q1. Salary , why changing job etc..
Add your answer
Q2. Your complete background of career
Add your answer

Q1. DS Algo, Backend and DB
Add your answer
Q2. Stack(DS) question and DB based questions
Add your answer
Q3. Scaling (Horizontal, Vertical) with use cases
Ans. 
Scaling refers to increasing capacity of a system. Horizontal scaling adds more machines, while vertical scaling adds more resources to a machine.
• Horizontal scaling involves adding more machines to a system to increase capacity

• Vertical scaling involves adding more resources to a machine to increase capacity

• Use cases for horizontal scaling include handling increased traffic or adding redundancy

• Use cases for vertical sca...read more
Answered by AI
Add your answer

Q1. Regarding the Past Projects, mine were with Firebase and Flutter.
Add your answer
Q2. Medium DSA questions for Array and String and Flutter
Add your answer

Q1. How make a queue using a stack
Ans. 
To implement a queue using a stack, use two stacks and simulate the queue operations.
• Use two stacks, one for enqueue operation and one for dequeue operation.

• For enqueue operation, simply push elements onto the stack used for enqueueing.

• For dequeue operation, if the dequeue stack is empty, pop all elements from enqueue stack and push onto dequeue stack.

• Then pop from the dequeue stack to simulate dequeue operation.
Answered by AI
Add your answer
Q2. Create a linked list
Ans. 
A linked list is a data structure consisting of nodes where each node points to the next node in the sequence.
• Create a Node class with data and next pointer

• Initialize a head pointer to null

• Add nodes by updating next pointers

• Traverse the list by following next pointers
Answered by AI
Add your answer

Easy to medium leetcode questions

Q1. Closures, hostings, react js, redux, hooks basic
Add your answer
Q2. Html5, css3, basic javascript stuff
Add your answer

Normal aptitude questions

Python basic and some basic coding questions

Advance level coding question