CTG Security Solutions Software Developer Interview Questions and Answers

Q1. MC question on desing pattern
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Q2. Graph question, tree and hash
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Q3. Design Book my show
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Dp question of jump game

Q1. Introduce yourself
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Worked on developing web applications using Java Spring framework

• Proficient in database management with SQL
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Q2. Array question of leetcode
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Q3. Python basic and medium
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Q4. C++ standard template library
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Q5. Dynamic programming questions
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Q1. How to optimise fetching 1 lakh entries from db
Ans. 
Use pagination, indexing, caching, and query optimization to fetch 1 lakh entries efficiently from the database.
• Implement pagination to fetch data in smaller chunks

• Create indexes on columns frequently used in queries

• Use caching to store frequently accessed data

• Optimize queries by avoiding unnecessary joins and using appropriate indexes

• Consider using database-specific optimizations like query hints or stored procedures
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Q1. How can you reverse a string that is stored in an array?
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Q2. Oops
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Q1. How do you feel about policies and location constraints?
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Q2. Okay with joining mphasis?
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Basic core java, reasoning,english

Dsa question of arrays

Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in Java, Python, and web development.
• Experienced in Java, Python, and web development technologies

• Strong problem-solving skills

• Team player with excellent communication skills
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Q2. Stacks and queues
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Q3. Time complexity
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Q1. Basic Java questions
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Q2. Spring, Spring boot basics
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Q1. Microservices Communications
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Q2. Project level experiences
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Quants, Reasoning and Verbal
Computer fundamental and pseudocode

15 mins with general topics

Q1. What do like in your college the most?
Ans. 
I enjoyed the collaborative projects and hands-on learning experiences in my college.
• Collaborating with classmates on coding projects

• Hands-on experience with different programming languages

• Engaging discussions in computer science classes
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Q2. Do you have any other offer?
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Q1. Where did you use Service Bus in your application?
Ans. 
I used Service Bus to implement asynchronous communication between microservices in my application.
• Implemented message queuing for decoupling services

• Used Service Bus to handle communication between different components

• Leveraged Service Bus for reliable message delivery
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Q2. SOLID Principles and OOPS
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Q3. How is Authorization implemented at your organization?
Ans. 
Authorization at our organization is implemented using role-based access control (RBAC) and OAuth.
• Role-based access control (RBAC) is used to assign permissions to roles, which are then assigned to users based on their job responsibilities.

• OAuth is used for authentication and authorization, allowing users to access resources based on their permissions and roles.

• Access control lists (ACLs) are also used to define specif
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Q4. Why prefer Entity Framework Core over Entity Framework?
Ans. 
Entity Framework Core is preferred for its improved performance, cross-platform support, and new features.
• Entity Framework Core is faster and more lightweight compared to Entity Framework.

• Entity Framework Core supports cross-platform development, allowing for easier deployment on different operating systems.

• Entity Framework Core introduces new features like Global Query Filters, Owned Entities, and Value Conversions fo
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