Deutsche Bank Interview Questions, Process, and Tips for Experienced

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Q1. Linkedlist reversal
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Q1. What is the difference between pod and deployment
Ans. 
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
Ans. 
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
Ans. 
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
Ans. 
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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Q1. Related to Financial statements,
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Q2. Related to Derivative instrumnets
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Q3. Related to different types of Risk.
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Coding on javascript and advanced Java. Time limit is 30 minutes for each.