Khimji Kunverji & Co. Interview Questions and Answers

There were basic questions asked related to the profile

There were some questions and an ER diagram to create.

Q1. Tell me about yourself
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Q2. They started asking about the projects
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Q1. Languages attended
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Logic and MCQ were there

Q1. How cobol db 2 works? how to add checkpoint logic.
Ans. 
COBOL DB2 is a programming language used for database management. Checkpoint logic is used to ensure data integrity and recoverability.
• COBOL DB2 is used for accessing and manipulating data in DB2 databases.

• Checkpoint logic in COBOL DB2 involves saving the current state of the database at specific points to ensure data integrity.

• To add checkpoint logic, you can use COMMIT and ROLLBACK statements in your COBOL DB2 progra...read more
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Q2. How jcl works, how to do restart
Ans. 
JCL (Job Control Language) is used to control batch jobs on mainframe systems. Restarting a job involves identifying the step where it failed and resubmitting the job from that step.
• JCL is used to define and control batch jobs on mainframe systems

• To restart a job, identify the step where it failed

• Modify the JCL to start from the failed step by specifying the restart parameter

• Submit the modified JCL to restart the job
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It was easy, the topic is upi

Aptitude + coding Test

Q1. It's about my projects
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Q2. And few Javascript questions
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Q1. General HR questions
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Q1. What are different KPI's
Ans. 
Key Performance Indicators (KPIs) are measurable values that demonstrate how effectively a company is achieving key business objectives.
• KPIs are specific, measurable, achievable, relevant, and time-bound metrics used to evaluate the success of an organization or a particular activity.

• Examples of KPIs include revenue growth rate, customer acquisition cost, customer retention rate, website traffic, conversion rate, and e
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Q2. Differentiate loc and iloc in pandas
Ans. 
loc is label-based indexing while iloc is integer-based indexing in pandas.
• loc is used to access a group of rows and columns by labels

• iloc is used to access a group of rows and columns by integer position

• Example: df.loc['row_label', 'column_label'] vs df.iloc[0, 1]
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30 mins Aptitude Question

30 mins - 3 Coding Question

Q1. Describe Rest API
Ans. 
Rest API is a set of rules and conventions for building and interacting with web services using HTTP methods.
• Rest API stands for Representational State Transfer Application Programming Interface.

• It uses standard HTTP methods like GET, POST, PUT, DELETE to perform CRUD operations.

• RESTful APIs use URLs to access resources, and return data in JSON or XML format.

• Stateless communication allows for scalability and flexibilit...read more
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Q2. What is various Response code. Diffenrence b/w 200 & 201, 400 & 403
Ans. 
Response codes indicate the status of a HTTP request. 200 & 201 are success codes, while 400 & 403 are client error codes.
• 200 - OK: Request was successful

• 201 - Created: Request was successful and a new resource was created

• 400 - Bad Request: The server cannot process the request due to a client error

• 403 - Forbidden: The server understood the request, but refuses to authorize it
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I was asked t solve 2 coding questions got 20 minutes for each, both were on DS and Algo moderate problems. 1 on trees and second on linked list.

Q1. System design round where i was asked to design a parking lot followed by few DB questions
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Q1. Then there was a UI round where i had to answer few Typescript questions and then was given a case study which i had t solve and propose a UI/UX solution.
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