Karkhana.io Research and Development Interview Questions and Answers

Q1. Types of communication protocol
Ans. 
Communication protocols are rules that allow devices to communicate with each other in a network.
• TCP/IP - Transmission Control Protocol/Internet Protocol

• HTTP - Hypertext Transfer Protocol

• FTP - File Transfer Protocol

• SMTP - Simple Mail Transfer Protocol

• UDP - User Datagram Protocol
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Q1. How do you Negotiate
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Q2. How many quotes are compulsory
Ans. 
The number of compulsory quotes varies depending on the context and requirements.
• The number of compulsory quotes may be specified by a particular organization or industry.

• In some cases, there may be no specific requirement for a certain number of quotes.

• It is important to follow any guidelines or instructions provided to determine the number of compulsory quotes.
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Q1. Basics Questions
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Q2. Salary discussion
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Q1. Question about Spring boot
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Write a program to maximum subsequence in an array

Q1. Can you provide a walk-through of your CV?
Ans. 
I have over 8 years of experience in software development, specializing in backend technologies.
• Started my career as a junior software developer at ABC Company

• Led a team of developers in implementing a new CRM system for XYZ Corporation

• Proficient in Java, Python, and SQL

• Certified in AWS Solutions Architect
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Q2. Can you provide a brief scenario regarding technical troubleshooting?
Ans. 
Troubleshooting a server issue by identifying root cause and implementing a solution
• Identify the symptoms of the issue

• Review server logs for errors

• Check network connectivity

• Test different configurations to isolate the problem

• Implement a solution and monitor for any recurrence
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Q1. Like or dislike
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Q2. What are you thinking
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First they conducted the testing round that is pseudo code only 2 they conducted.

In laptop then they conducted aptitude, logical reasoning and java mcqs

Q1. First the panel asked self introduction then oops concept and joins how many types of joins are there then normalization and view.
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Q2. Difference between delete and truncate
Ans. 
Delete removes rows one by one, while truncate removes all rows at once.
• Delete is a DML command, while truncate is a DDL command.

• Delete can be rolled back, while truncate cannot be rolled back.

• Delete fires triggers, while truncate does not fire triggers.
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Relatrd to plc programing

Q1. Electrical questions
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Q2. Plc and scada questions
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