Quest Software SDE Interview Questions and Answers

60 minutes of coding round with medium level of question asked

Coding and Aptitude MCQ questions

Q1. How i can design a login system for client?
Ans. 
Designing a login system for clients involves creating secure authentication methods and user management.
• Implement secure password hashing algorithms like bcrypt to store passwords securely.

• Use HTTPS to encrypt data transmission between client and server.

• Implement multi-factor authentication for added security.

• Utilize session management to keep track of user login status.

• Consider implementing account lockout mechanisms
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Q2. What is foreign key and how you can you can use foreign key in your DBMS system?
Ans. 
Foreign key is a key used to link two tables in a database, enforcing referential integrity.
• Foreign key is a column or a set of columns in one table that references the primary key in another table.

• It ensures that the values in the foreign key column(s) match the values in the primary key column of the referenced table.

• Foreign key constraints help maintain data integrity by preventing actions that would destroy links b...read more
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MATHEMATICS ,SPEED,BLOOD RELATIONS,TIME AND WORK

C PRORAMS,CPP,JAVA,PYTHON

Q1. HOW ARE YOU HOW IS THE DAY
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Q1. CP on finding prime
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Q2. Try catch finally exception handling
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Common aptitude, Speed, distance, time , river man problems

Coding questions average level

Q1. Introduction followed by basic coding questions like array sorting
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Basic test with question and lasting around 30mins

Easy interview which mainly focus on concepts

Q1. Interview went fine and difficulty is medium
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Linked list and trees

Q1. What is arraylist

Ans. 

ArrayList is a dynamic array in Java that can grow or shrink in size as needed.

• ArrayList is a class in Java that implements the List interface.

• It allows for dynamic resizing of the array, unlike regular arrays.

• Elements can be added, removed, or accessed by index.

• Example: ArrayList names = new ArrayList();

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