China Southern Airlines Interview Questions and Answers

Medium to hard level questions were asked and that mostly covers basics of DSA

Q1. Oops ,DBMS and DSA logical questions
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Very good coding test ques of linked list were asked

Q1. About my work experience & background
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Good questions like what is data science

What is python boss was a good

Q1. What is the reason for leaving?
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Q2. Would you like to rejoin if management recall you?
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Q3. Can you stay back if we assure you to hike your salary after 6 months?
Ans. After six months is long time.
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Q4. Can you stay back if we Promote you in Next April?
Ans. There is no promotion in 5.5 years hence, I can not wait for further 6 months.
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Q5. Is there any other problem from your Team Leader or HOD?
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Q1. Node js working in detail
Ans. 
Node.js is a runtime environment that allows you to run JavaScript on the server side.
• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model that makes it lightweight and efficient.

• Node.js is commonly used for building server-side applications, APIs, and real-time applications.

• It has a large ecosystem of libraries and frameworks, such as Express.js and Socket.io.
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Q2. Timer working in node
Ans. 
In Node.js, timers can be implemented using functions like setTimeout() and setInterval().
• Use setTimeout() to execute a function once after a specified delay

• Use setInterval() to execute a function repeatedly at a specified interval

• Clear a timer using clearTimeout() or clearInterval()

• Example: setTimeout(() => { console.log('Timer executed!'); }, 2000);
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Q1. HLD questions on db and backend
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Q2. Relational non relational db
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MCQ on Python and some aptitude questions.

Q1. Array rotation coding question followed by past project experience
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Q1. STAR type interview.
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Q1. Life cycle of Software Development
Ans. 
Software development life cycle is a process used to design, develop, and test software applications.
• 1. Planning: Define project scope, requirements, and timelines.

• 2. Design: Create a detailed design of the software architecture.

• 3. Implementation: Write code based on the design specifications.

• 4. Testing: Verify that the software meets the requirements and is free of bugs.

• 5. Deployment: Release the software to users and...read more
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Q1. Based on STAR pattern and related to projects
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