Koenig Solutions Interview Questions and Answers

Q1. Tell me about your role in your current organisation.
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Q1. General information about previous job role.
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Q1. Domain knowledge question
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Q1. General info and communication check
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Q1. In depth knowledge testing for given technology
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Q1. Presentation and batch handling skills on a given topic
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Q1. What is method overloading?
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Method overloading is when multiple methods in a class have the same name but different parameters.
• Allows multiple methods with the same name but different parameters to be defined in a class

• Parameters can differ in number, type, or order

• Example: void print(int num) and void print(String text) are overloaded methods
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Q2. What is method overiding ?
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Method overriding is a feature in object-oriented programming that allows a subclass to provide a specific implementation of a method that is already provided by its superclass.
• Method overriding is done when a subclass provides a specific implementation for a method that is already defined in its superclass.

• The method in the subclass must have the same name, return type, and parameters as the method in the superclass.

• M...read more
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Q3. What is sigleton class ?
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A singleton class is a class that can only have one instance created and provides a global point of access to that instance.
• Singleton classes are often used for logging, caching, database connections, and thread pools.

• They typically have a private constructor to prevent instantiation from outside the class.

• The class itself usually provides a static method to access the single instance.
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Q1. What are Oops Pillars?
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Oops Pillars are the four main concepts of Object-Oriented Programming: Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class.

• Encapsulation: Bundles data and methods into a single unit, protecting data from outside interference.

• Polymorphism: Allows objects to be treated as instances of their parent class, enabling flexibility in code.

• ...read more
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Q2. What is Dependency injection?
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Dependency injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by mocking dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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I took an MCQ SQL coding test conducted by the company and scored 9 out of 10, demonstrating strong SQL skills and knowledge. It was a positive validation of my abilities in handling SQL queries efficiently.

During the technical round SQL test conducted by the company, I faced predominantly technical questions to assess my SQL proficiency. Additionally, there was a machine round where I had to write and demonstrate SQL code, showcasing my practical skills in a real-world scenario. It was a challenging yet rewarding experience that allowed me to showcase my SQL expertise effectively.

Q1. In the HR round conducted by the company, I was asked about my salary expectations, along with other details such as my preferred work location and availability to start. The discussion was cordial and all...read more
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Q1. Explain about snapshot, cloning
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Snapshot is a copy of a system at a specific point in time, while cloning is creating an exact duplicate of a system.
• Snapshot is a read-only copy of a system's current state, used for backup or testing purposes

• Cloning creates an identical copy of a system, including all data and settings

• Snapshots are usually smaller in size compared to clones

• Cloning requires more resources and time than taking a snapshot
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Q1. About HA in vsphere
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