Innovatily Software Developer Interview Questions and Answers

Q1. What is private and public key.
Ans. 
Private and public keys are used in encryption to secure communication. Public key is shared with others, while private key is kept secret.
• Public key is used to encrypt data and can be shared with anyone.

• Private key is used to decrypt data and must be kept secret.

• Public key is derived from private key in asymmetric encryption.

• Example: SSL/TLS certificates use public and private keys for secure communication.
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Q2. What is difference beween http and https.
Ans. 
HTTP is unsecured protocol while HTTPS is secured protocol using SSL/TLS encryption.
• HTTP stands for Hypertext Transfer Protocol, while HTTPS stands for Hypertext Transfer Protocol Secure.

• HTTP operates on port 80, while HTTPS operates on port 443.

• HTTPS uses SSL/TLS encryption to secure the communication between the client and server, while HTTP does not.

• HTTPS provides data integrity, authentication, and encryption, maki...read more
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Q1. What is private key and public key
Ans. 
Private key and public key are cryptographic keys used in asymmetric encryption to secure communication and data.
• Private key is kept secret and used for decryption and signing

• Public key is shared and used for encryption and verification

• Example: SSL/TLS certificates use public and private keys for secure communication
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Q2. How you wioll distribute the traffic to different servers.
Ans. 
Traffic can be distributed using load balancers, DNS round robin, or server-side load balancing algorithms.
• Use a load balancer to evenly distribute traffic among servers based on various algorithms like round robin, least connections, or IP hash.

• Implement DNS round robin to distribute traffic by rotating the IP addresses returned for a domain name query.

• Utilize server-side load balancing algorithms like weighted round ...read more
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Practice medium leetcode questions

Q1. System Design and database design
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Q1. What are your salary expectations?
Ans. 
I am open to discussing salary based on the responsibilities and opportunities offered by the position.
• I am flexible and open to negotiation.

• I am looking for a fair and competitive salary.

• I value the opportunity to grow and develop in my career.

• I am willing to consider other benefits and perks in addition to salary.
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Q2. What is your family background?
Ans. 
My family background is diverse and includes individuals from various professions and cultural backgrounds.
• My father is a doctor and my mother is a teacher.

• I have an older brother who is an engineer.

• My grandparents were farmers and owned a small business.

• We have relatives living in different countries, which has exposed me to different cultures and traditions.
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Q3. Share details of your previous job.
Ans. 
I worked as a Software Developer at XYZ Company.
• Developed and maintained software applications using Java and Python.

• Collaborated with cross-functional teams to gather requirements and design solutions.

• Implemented new features and fixed bugs in existing software.

• Performed code reviews and provided feedback to improve code quality.

• Participated in Agile development processes and attended daily stand-up meetings.

• Worked on...read more
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Q4. Why should we hire you?
Ans. 
I have a strong technical background and a passion for software development.
• I have a solid understanding of programming languages and software development principles.

• I have experience working on various software projects and have a track record of delivering high-quality code.

• I am a quick learner and adapt easily to new technologies and frameworks.

• I am a team player and enjoy collaborating with others to solve complex ...read more
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Q5. Why are you looking for a change?
Ans. 
Seeking new opportunities for professional growth and challenges.
• Looking for a more challenging role

• Want to expand my skill set

• Seeking better career prospects

• Interested in working with new technologies

• Want to work in a more collaborative environment
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Q6. Where do you see yourself in 5 years?
Ans. 
In 5 years, I see myself as a senior software developer leading a team and working on complex projects.
• Leading a team of developers

• Working on complex projects

• Continuously learning and staying updated with new technologies

• Contributing to the growth and success of the company
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Q7. What are your strengths and weaknesses?
Ans. 
My strengths include problem-solving, attention to detail, and teamwork. My weaknesses include time management and public speaking.
• Strengths: problem-solving, attention to detail, teamwork

• Weaknesses: time management, public speaking
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Q8. Tell me about yourself.
Ans. 
I am a software developer with experience in various programming languages and a passion for creating innovative solutions.
• Experienced in Java, C++, and Python

• Developed a web application using React and Node.js

• Worked on a team to create a mobile app for iOS and Android

• Strong problem-solving and analytical skills
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DSA-keep practicing multithreading questions

3 questions 2 hrs most questions are from graph

Q1. Optimize the given problem
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Q2. Solve the problem in given time
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30 question -30 min,topics - profit or loss , time work distance ,time speed ,upstreaam downstream percentage ,probability

3 graph question were asked .

Q1. Hackthon on hackerrank
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