Quadrant Technologies Interview Questions, Process, and Tips

Q1. Flow of .net core applicatin execute
Ans. 
The flow of a .NET Core application is determined by the order in which code is executed, starting from the entry point.
• Entry point is typically the Main method in the Program.cs file

• Startup class is used to configure services and middleware

• Middleware pipeline determines the order in which requests are processed

• Controllers and actions handle incoming requests and generate responses

• Dependency injection is used to manage
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Q2. Dependency injection
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First Round is Assessment consists of 50 Questions and topics are aptitude, reasoning, SQL, DBMS, DS, .NET, C#, Cloud, Python..

I got selected for 2nd round which is GD I got selected for Technical round. Topics is Online Learning.

Q1. Write a program of prime and palindrome number and some basics of skills which you have mentioned and project based questions.
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Q1. Project related questions
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Q2. Daily activities in project
Ans. 
Daily activities in project involve data collection, processing, analysis, and visualization.
• Collecting data from various sources such as databases, APIs, and files

• Cleaning and preprocessing data to ensure quality and consistency

• Analyzing data using statistical methods and machine learning algorithms

• Creating visualizations to communicate insights and findings

• Collaborating with team members to troubleshoot issues and op
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Q3. SQL rank vs dense_rank
Ans. 
SQL rank assigns unique ranks to rows, while dense_rank allows for ties in ranking.
• Rank assigns unique ranks to rows based on specified criteria

• Dense_rank allows for ties in ranking, assigning consecutive ranks without gaps

• Example: Rank - 1, 2, 3, 4, 5; Dense_rank - 1, 2, 2, 3, 4
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Q4. ADF pipeline activity
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Q5. How to read parquet file
Ans. 
To read a parquet file, use a library like PyArrow or Apache Spark.
• Use PyArrow library in Python to read a parquet file: `import pyarrow.parquet as pq`

• Load the parquet file into a PyArrow table: `table = pq.read_table('file.parquet')`

• Use Apache Spark to read a parquet file: `spark.read.parquet('file.parquet')`
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Q6. How to write stored procedures in PL/SQL
Ans. 
PL/SQL stored procedures are written using the CREATE PROCEDURE statement with input/output parameters and SQL statements.
• Use CREATE PROCEDURE statement to define a new stored procedure

• Include input/output parameters in the procedure declaration

• Write SQL statements within the procedure body to perform desired operations

• Use variables, loops, and conditional statements as needed

• End the procedure with the END keyword
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The questions of the test includes all the languages i.e., C, Java, python, sql.