Infosys Specialist Programmer Interview Questions, Process, and Tips

1 hour
DSA, Graph
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Q1. What is Machine Learning?
Ans. 
Machine Learning is a branch of artificial intelligence that involves developing algorithms and statistical models to enable computers to learn from and make predictions or decisions based on data.
• Machine Learning involves training algorithms to learn patterns from data and make predictions or decisions without being explicitly programmed.

• It is used in various applications such as image recognition, natural language pr...read more
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Q2. What is regression analysis?
Ans. 
Regression analysis is a statistical method used to examine the relationship between one dependent variable and one or more independent variables.
• It helps in predicting the value of the dependent variable based on the values of independent variables.

• There are different types of regression analysis such as linear regression, logistic regression, polynomial regression, etc.

• It is commonly used in various fields like econo...read more
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Q3. What do you undertsnand by subnetting?
Ans. 
Subnetting is the process of dividing a network into smaller subnetworks to improve performance and security.
• Subnetting helps in optimizing network traffic by breaking a large network into smaller, more manageable subnetworks.

• It allows for better organization and management of IP addresses within a network.

• Subnetting also enhances network security by creating boundaries between different segments of a network.

• Example: ...read more
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Q4. What is normalization? Explain with an example.
Ans. 
Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalization involves breaking down data into smaller, more manageable tables and establishing relationships between them.

• It helps in reducing data redundancy and inconsistencies.

• There are different normal forms such as 1NF, 2NF, 3NF, BCNF, and 4NF.

• For example, in a database of students and courses, instead of...read more
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Q5. What is Deadlock mechanism?
Ans. 
Deadlock mechanism is a situation in which two or more processes are unable to proceed because each is waiting for the other to release a resource.
• Deadlock occurs when two or more processes are waiting indefinitely for an event that can only be caused by one of the waiting processes.

• Four necessary conditions for deadlock are mutual exclusion, hold and wait, no preemption, and circular wait.

• Example: Process A holds Reso...read more
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3 coding questions in 3 hours, easy-medium and hard

Q1. CN, OS, DB design questions
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Q2. Bellman Ford, Tree questions
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Q3. Project discussion
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Q4. Resume based cross questions
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3 Coding Questions based on DSA

Q1. Array Based DSA problem
Ans. 
Implement a data structure using an array of strings
• Use an array of strings to store and manipulate data

• Consider using functions to perform operations on the array

• Examples: storing names, storing messages, storing file paths
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Q2. String based problem
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Their were 3 medium to hard level coding questions.

Q1. Hii, introduce your self.
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Q2. Basic of Java and MySQL.
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Q3. 2 programming questions. Solve with pen and paper. And explain.
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3 Coding Questions were asked - easy, medium, hard

Q1. A face-to-face interview asking about your technical skills and coding knowledge
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