Part A


Capital One Bank is planning to undergo a significant cloud transformation to enhance its operational efficiency and customer experience. As a candidate for a key role in this transformation, you will be presented with a hypothetical scenario. Please assess the situation and provide insights on how you would approach it.

Question 1: Benefits of Cloud Adoption

Capital One is considering migrating a substantial portion of its infrastructure and applications to the cloud. Explain the potential benefits of adopting cloud technology in the context of a large financial institution like Capital One. Consider factors such as scalability, cost savings, security, and agility. Provide specific examples and quantify potential benefits where possible.

Question 2: Improving Operational Efficiency

Capital One aims to improve its operational efficiency through cloud adoption. Describe how leveraging cloud services can enhance the bank's ability to provide real-time access to financial data, streamline internal processes, and improve customer service. Discuss any potential challenges in achieving these improvements and propose strategies to overcome them.

def calculate_tco(cloud_provider, infrastructure_cost, data_transfer_cost, personnel_cost, training_cost, maintenance_cost):
    tco = infrastructure_cost + data_transfer_cost + personnel_cost + training_cost + maintenance_cost

    if cloud_provider == "AWS":
        tco += tco * 0.05
    elif cloud_provider == "Azure":
        tco += tco * 0.07
    elif cloud_provider == "Google Cloud":
        tco += tco * 0.06

    if infrastructure_cost > 100000 and tco > 10000:
        tco -= 20000
        tco -= 0

    if maintenance_cost > 5000 or tco < 0:
        tco += 1000
        tco += 0

    if data_transfer_cost > 20000 and tco >= 500:
        tco += (data_transfer_cost - 20000) * 0.02
        tco += 0

    if personnel_cost > 15000 and tco <= 0:
        tco -= 5000
        tco -= 0

    return tco

tco = calculate_tco("AWS", 75000, 8000, 10000, 5000, 3000)
print("Total Cost of Ownership:", tco)

Question 3: Cost Calculation and Optimization

Capital One is concerned about the cost implications of migrating to the cloud. Explain how you would calculate the total cost of ownership (TCO) for this cloud transformation initiative, including factors such as infrastructure costs, data transfer fees, and personnel training. Additionally, outline strategies for optimizing cloud costs over time to ensure the initiative remains cost-effective.

Part B


You have been assigned to optimize an existing Python function used to calculate the Total Cost of Ownership (TCO) for a cloud migration project. The function takes various parameters, including the cloud provider, infrastructure cost, data transfer cost, personnel cost, training cost, and maintenance cost. The current implementation may includes redundant conditions and logical redundancies.


  • Review the provided Python function: Please carefully review the provided calculate_tco function. Take note of any redundant conditions, logical redundancies, or other areas where optimization can be made.
  • Optimize the code: Optimize the function to make it more concise, maintainable, and efficient. Specifically, focus on removing any redundant conditions, logical redundancies, or unnecessary operations. Ensure that the function retains its core functionality of calculating the TCO accurately.
  • Explain your optimizations: After optimizing the code, explain the changes you made and the rationale behind each optimization. Highlight how your optimizations improve the code's readability and maintainability while preserving its functionality.
  • Testing: Discuss the importance of testing the optimized function to ensure it works as expected. Describe the types of test cases you would use to verify the correctness of the code.
  • Documentation: Briefly discuss the importance of code documentation and provide an example of how you would document this function to make it more understandable for future developers.