UST Interview Questions, Process, and Tips

Q1. Java program to do the validations.
Ans. 
Java program to perform validations on input data.
• Use regular expressions to validate input data.

• Implement custom validation logic for specific requirements.

• Utilize Java libraries like Apache Commons Validator for common validation tasks.
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Q1. Do the cred operations
Ans. 
The cred operations refer to the actions related to credentials in a software system.
• Cred operations typically involve tasks such as creating, updating, deleting, and verifying user credentials.

• Examples of cred operations include user registration, password reset, and authentication processes.

• These operations are crucial for ensuring secure access to the software system and protecting user data.
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Q1. Expectations and company policies
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Q1. Based on my experience and tech stacks
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Q2. Coding questions. Find numbers start with 1 from list of Integer using stream and lambda.
Ans. 
Using stream and lambda to find numbers starting with 1 from list of Integers.
• Use stream to filter the list of Integers based on the condition that the number starts with 1.

• Use lambda expression to define the condition for filtering.

• Convert the filtered numbers to strings and store them in an array.
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Q3. Questions on SQL
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Q1. More focused on Architecture level
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Q2. Kafka scenarios , failover and zookeeper
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Q3. API gateway edureka service registry and discovery
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Q4. Coding question - two list of interger. Merge them and do not include duplicates in result list.
Ans. 
Merge two lists of integers and remove duplicates in the result list.
• Create a new list to store the merged result.

• Iterate through each element in both lists and add them to the result list if they are not already present.

• Use a set to keep track of duplicates and avoid adding them to the result list.
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Q1. DAX Related Syntax and Codes
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Q2. Data Modelling, SQL, Python
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Q1. No Response from HR after calling of selection after Round 1
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A standard online test conducted through one of the testing platforms.

Q1. Java 8 features
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Q2. Rest API
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Q3. Java 8 coding problem
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Q4. Collections
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Q1. It was based on my previous project
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Q1. Work experience walk through
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Q2. Scenario based questions
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Q3. About the company
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Q4. About the client and process
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Q5. About process walk through
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Q1. What is REST Framework
Ans. 
REST framework is a set of rules and conventions for building and interacting with web services.
• REST stands for Representational State Transfer

• It uses standard HTTP methods like GET, POST, PUT, DELETE for communication

• It is stateless and allows for scalability and flexibility

• Example: Django REST framework for building APIs in Python
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Q2. What are the SQL Queries
Ans. 
SQL queries are used to retrieve, manipulate, and manage data stored in a database.
• SQL SELECT query is used to retrieve data from a database table.

• SQL INSERT query is used to insert new records into a database table.

• SQL UPDATE query is used to modify existing records in a database table.

• SQL DELETE query is used to remove records from a database table.
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This is related to SQL