Infogain Software Engineer Trainee Interview Questions and Answers

Q1. What is the role of DNS in networking?
Ans. 
DNS is a system that translates domain names to IP addresses, allowing users to access websites using human-readable names.
• DNS stands for Domain Name System

• It helps in translating domain names to IP addresses

• DNS servers store a database of domain names and their corresponding IP addresses

• DNS plays a crucial role in enabling users to access websites using human-readable names instead of IP addresses
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Q1. What certifications have you earned?
Ans. 
I have earned certifications in Java programming and AWS cloud computing.
• Certification in Java programming

• Certification in AWS cloud computing
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30 aps questions. Pass is 60%

Q1. Basic programming questions in c, Java, SQL
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Q2. How to swap two variables without using third variable
Ans. 
To swap two variables without using a third variable, use arithmetic operations.
• Use addition and subtraction to swap the values of two variables

• Example: a = 5, b = 10. a = a + b (a = 15), b = a - b (b = 5), a = a - b (a = 10)
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Q3. Diamond pattern printing program
Ans. 
Diamond pattern printing program in Java
• Use nested loops to print spaces and stars in a diamond pattern

• Start with a loop to print spaces before stars on each line

• Then print the stars in a pattern to form a diamond shape

• Adjust the number of spaces and stars based on the row number
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Q1. Hard level coding questions are asked in this round
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Normal Leetcode easy to medium Question

Q1. Leetcode easy - palindrome
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Q2. Leetcode medium - second largest number
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Q1. Questions were around leadership
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