Virtusa Consulting Services Interview Questions, Process, and Tips

Q1. Basic SQL & .NET MVC
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Q1. Advance questions on performance optimisation
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Q1. Benefits, Salary perks
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Q1. Technical Question on trigger scenario- count of child record to update on parent using trigger. How to bulkify a trigger.
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Q1. If more than 50K records are fetched by the SOQL in the trigger. how to handle that.
Ans. 
To handle more than 50K records fetched by SOQL in trigger, use batch apex or pagination.
• Use batch apex to process records in smaller chunks

• Implement pagination to limit the number of records fetched at a time

• Consider using selective SOQL queries to reduce the number of records fetched

• Avoid using SOQL queries inside loops

• Use query optimizer tool to optimize SOQL queries
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Q2. How to improve test coverage of a class.
Ans. 
To improve test coverage of a class, write more test cases to cover all possible scenarios.
• Identify uncovered lines of code using a code coverage tool

• Write test cases for each uncovered line of code

• Write test cases for boundary conditions and edge cases

• Use mock objects to simulate dependencies

• Refactor code to make it more testable
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Q3. How to use current page's Id in LWC
Ans. 
To use current page Id in LWC, we can import '@salesforce/apex' and call Apex method to get the Id.
• Import '@salesforce/apex' in LWC JS file

• Create an Apex method to return current page Id

• Call the Apex method in LWC JS file using '@wire'

• Access the current page Id in LWC HTML file using '{pageId}'
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Basic aptitude questions

Arrays and strings sql,python

Given java code from array and string mainly

Q1. Tell me about Object class in Java
Ans. 
Object class is the root class for all Java classes, providing common methods and behaviors for all objects.
• Object class is at the top of the class hierarchy in Java

• All classes in Java are directly or indirectly derived from the Object class

• Object class provides methods like equals(), hashCode(), toString() which can be overridden in subclasses
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Q2. String Class
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Q3. Overloading & Overriding
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I was selected through neuralhack.

Q1. I know python that time so question related to python and one code was given which I solved.
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Q2. List vs likedlist
Ans. 
List vs LinkedList
• List is a collection of elements where elements are stored in contiguous memory locations

• LinkedList is a collection of elements where elements are stored in nodes with pointers to the next node

• List allows for fast access to elements by index, while LinkedList allows for fast insertion and deletion of elements
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Q1. Are you comfortable to relocate
Ans. 
Yes, I am comfortable to relocate for the right opportunity.
• I am open to relocating for the right job opportunity

• I have relocated in the past for career advancement

• I am flexible and adaptable to new environments
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Q1. Tell me about yourself
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Q2. What was my role in previous organizations?
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Q3. How did I approach one of the projects I worked in academics?
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Q1. How do you normalize data?
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Q2. How do you treat missing values in data?
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Q3. How do you treat outliers in the data?
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Q4. Difference between recall and precision?
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Q5. Discussed about the project in detail.
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Q1. What do you want to achieve in your life?
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Q2. What are your strengths?
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Q3. Why do you think you are a suitable for the role?
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Q4. Are you willing to relocate to the job location?
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