Deutsche Bank Associate Vice President Interview Questions, Process, and Tips

Q1. Pointers and References , Inheritance, Polymorphism.
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Q2. Data Modelling and DML concepts
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Q1. Basic understanding of concepts relevant to job role. Past expeirence and how thay adds value to the opening.
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Q1. Simialr to round 1, but more at a holistic level with clear direction of what they need.
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Q1. What is the difference between pod and deployment
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Pod is the smallest deployable unit in Kubernetes, while deployment manages a set of identical pods.
• Pod is a single instance of a running container in Kubernetes

• Deployment manages a set of identical pods, ensuring they are always running and available

• Pods can be created directly, but deployments are typically used for managing pods in production environments
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Q2. Find 1st non repeatable sequence from a string using Java 8
Ans. 
Find the first non-repeating character in a string using Java 8.
• Use Java 8 streams to convert the string to a character array.

• Use Collectors.groupingBy to group the characters by count.

• Filter out characters with count > 1 and find the first character with count 1.
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Q3. Find the two index in an array whose sum is closest to 0.
Ans. 
Find two indices in an array whose sum is closest to 0.
• Sort the array to simplify the process.

• Use two pointers approach starting from both ends towards the middle.

• Keep track of the closest sum found so far.
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Q4. Find 2nd highest salary of a department in Oracle.
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Q5. What is resilience in microservices
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Resilience in microservices refers to the ability of a system to recover from failures and continue functioning.
• Resilience in microservices involves designing systems that can handle failures gracefully without impacting the overall functionality.

• This can be achieved through techniques such as circuit breakers, retries, timeouts, and fallback mechanisms.

• Resilience also includes monitoring and alerting to quickly identi...read more
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Q1. Do programs of Data structures
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Yes, programs of Data structures are essential for efficient data management and algorithm development.
• Data structures are used to organize and store data in a way that enables efficient access and modification.

• Programs of Data structures help in developing algorithms that can manipulate data effectively.

• Examples of data structures include arrays, linked lists, stacks, queues, trees, and graphs.
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Q1. Write code for lift operation
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Code for lift operation
• Define the lift class with attributes such as current floor, destination floor, direction, etc.

• Implement methods for moving the lift up or down, stopping at floors, and opening/closing doors.

• Use appropriate data structures such as queues to manage lift requests and floor stops.
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Coding related to your skill set and technologies, data structures, system design and algorithms - searching, sorting etc, based on time and space complexity

Q1. Technical discussion based on your skill set
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Q2. What is an Event loop, how it works
Ans. 
An event loop is a programming construct that waits for and dispatches events or messages in a program.
• Event loop is commonly used in asynchronous programming to handle multiple tasks concurrently.

• It continuously checks for events in a queue and executes them one by one.

• Event loop helps in preventing blocking of the main thread by allowing non-blocking operations to run in the background.

• Example: Node.js uses an event ...read more
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Q3. How Nodejs works and handle asynchronous
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Node.js is a runtime environment that uses event-driven, non-blocking I/O model to handle asynchronous operations.
• Node.js uses event loop to handle asynchronous operations efficiently.

• It allows multiple I/O operations to be processed concurrently without blocking the execution.

• Node.js uses callbacks, promises, and async/await to manage asynchronous code.

• Example: Reading a file asynchronously using fs module in Node.js.
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Q4. What design patterns you have implemented
Ans. 
I have implemented various design patterns such as Singleton, Factory, Observer, and Strategy.
• Implemented Singleton pattern to ensure only one instance of a class exists

• Utilized Factory pattern to create objects without specifying the exact class

• Implemented Observer pattern for event handling and notification

• Utilized Strategy pattern to define a family of algorithms and make them interchangeable
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Q1. Basic HR questions like - Why do you want to leave your current organization, where do you want to see yourself in next 5 years
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Q1. Multiple questions based on JD, ranging from How to scale a solution to put multiple (100 thousand plus)datasets in table , best practices , a few technical questions around Angular and React
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Q1. More questions on How did you solve a particular issue? How did you solve the conflict with senior developers How did you solve the conflict with a functionality with other team
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Q1. Managerial round- how do you basically fit into their team is the idea they take
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