Brevistay Interview Questions and Answers

Q1. What is the concept of abstraction in programming?
Ans. 
Abstraction in programming is the concept of hiding complex implementation details and showing only the necessary features to the user.
• Abstraction allows developers to focus on the essential aspects of an object or system without getting bogged down in unnecessary details.

• It helps in simplifying the programming model and makes code more maintainable and reusable.

• For example, in object-oriented programming, classes and ...read more
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Q2. What is the method to find the nth record in a dataset?
Ans. 
Use indexing or filtering to find the nth record in a dataset.
• Use indexing to directly access the nth record in an array or list.

• If using a database, use SQL query with LIMIT and OFFSET clauses to retrieve the nth record.

• For example, in Python: dataset[n-1] to access the nth record in a list.
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Emails to the host and guests.

Q1. Why you are perfect fit?
Ans. 
I have the necessary skills, experience, and passion for the role.
• I have relevant experience in the industry

• I possess the required skills and qualifications

• I am passionate about the work and eager to contribute

• I have a track record of success in similar roles
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Q2. Why you want to change?
Ans. 
Seeking new challenges and growth opportunities in a different environment.
• Desire for new challenges and learning experiences

• Opportunity for career advancement

• Seeking a better work-life balance

• Interest in exploring different industries or sectors
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Q1. They will ask about your profile and past experience.
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Q1. A peer level colleague will ask some basic knowledge check questions
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This is literally a live coding test. For analytics expect SQL, python, R.

Q1. Interviewed by a manager of another team
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Q1. Interviewed by dotted line reporting manager
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Q1. Cross functional interview
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Q1. Core Values Interview
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Q1. How to sort ararat
Ans. 
Ararat can be sorted alphabetically or numerically.
• Sort alphabetically: Arrange in ascending order based on the letters in the word.

• Sort numerically: Arrange in ascending order based on the numerical value of each character.
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Implement an iterator to flatten 2D vector

Q1. Find shortest path to get all keys
Ans. 
Use Dijkstra's algorithm to find the shortest path to get all keys
• Implement Dijkstra's algorithm to find the shortest path in a graph

• Consider the keys as nodes in the graph and the paths between keys as edges

• Keep track of the keys collected and update the shortest path accordingly
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