Boeing Senior Full Stack Developer Interview Questions and Answers

Q1. How js async working
Ans. 
JavaScript async allows non-blocking code execution by using Promises or async/await syntax.
• Async functions return a Promise object.

• Promises represent a value that may be available now, in the future, or never.

• Async/await syntax simplifies asynchronous code by using keywords async and await.

• Callbacks can also be used for handling asynchronous operations.
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Q1. What is gcd? And explain it
Ans. 
gcd stands for greatest common divisor, the largest positive integer that divides two or more numbers without leaving a remainder.
• gcd is used to find the largest integer that can evenly divide two or more numbers.

• It is commonly used in mathematics and computer science algorithms.

• For example, the gcd of 12 and 18 is 6, as 6 is the largest number that can divide both 12 and 18 without leaving a remainder.
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Q2. What is arc and explain it
Ans. 
ARC stands for Automatic Reference Counting, a memory management technique used in programming languages like Objective-C and Swift.
• ARC automatically tracks and manages the memory used by objects in a program

• It increases the retain count of an object when it is referenced and decreases it when it is no longer needed

• ARC helps prevent memory leaks and retain cycles in iOS and macOS development
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Q1. Behavioral questions such as weakness and strength
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Q2. What do you know about AA?
Ans. 
AA stands for Alcoholics Anonymous, a support group for individuals struggling with alcohol addiction.
• AA is a 12-step program that emphasizes spiritual growth and personal accountability.

• Meetings are held regularly and are open to anyone seeking help with alcohol addiction.

• Anonymity is a key principle of AA, and members are encouraged to maintain confidentiality.

• Sponsorship is also an important aspect of AA, where expe...read more
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Q3. About previous projects
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It was more of a discussion of the project I worked on, and the technologies I used...They asked me two basic SQL questions (it is a full stack position, though), and also about the Azure cloud platform.