Nouveau labs Interview Questions, Process, and Tips

Q1. What are script actions?
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Q2. What you implemented recently?
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Q3. What is inbound actions, what type of request ServiceNow will receive?
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Q4. Get all the active incident with priority-1?
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Q5. What is Async business rule?
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3 questions were asked in the phone screen test. First was a simple array traversal: add the value of mirror element of each element to itself and return output. Second was a linked list question for a spiral order print of a linked list starting from middle element. Third was a tree question where you had to attach the next element to each element in its nextNode pointer if you were going say in a level order traversal.

Q1. Abstraction vs interface
Ans. 
Abstraction is hiding the implementation details while interface is a contract that defines the methods that a class must implement.
• Abstraction focuses on hiding the internal implementation details of a class, allowing the user to only interact with the public methods.

• Interface defines a set of methods that a class must implement, ensuring consistency and providing a way for different classes to be used interchangeably...read more
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Q2. Find max and min in an array
Ans. 
Use built-in functions to find max and min in an array of strings
• Use Math.max.apply(null, array) to find max value

• Use Math.min.apply(null, array) to find min value

• Convert strings to numbers if needed before finding max and min
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Q3. Hashing mechanism
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