McKinsey & Company Principal Lead Interview Questions and Answers

Q1. Why do you want to join Gartner
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Industry Specific Writing Assignment

They shared a case study to solve offline and share results in powerpoint deck.

Q1. Last project architecture
Ans. 
Designed a microservices architecture using Docker and Kubernetes for a scalable web application
• Utilized Docker containers to encapsulate each microservice

• Implemented Kubernetes for container orchestration and scaling

• Used service discovery and load balancing for high availability

• Separated concerns by breaking down the application into smaller services
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Q1. First round focused on situational questions. Questions like "Tell me about a time when you thought you were doing something correct, but realized that it was wrong. Why did it go wrong? What was your lear...read more
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Q2. Tell me about something interesting that you have learned recently
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This was a written assesment. The objective is to test your writing skills. They shared a one-page HBR article and asked me to write a 300 words blog

The purpose of this round is to test your data interpretation skills, logical thinking skills and your ability to make use of data to make or revise your decisions.

Q1. This is the final round with the Vice President. This was a mixture of Situational and case study round. There was also opportunity for me to ask questions about the organization
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Q1. Share your expertise in one specific domain
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Q2. What is the reason why DLT is used for trade?
Ans. 
DLT is used for trade to ensure transparency, security, and efficiency.
• DLT provides a decentralized and immutable ledger for recording transactions.

• It eliminates the need for intermediaries, reducing costs and increasing speed.

• Smart contracts can be used to automate trade processes and ensure compliance.

• Examples include blockchain-based trade finance platforms like we.trade and Marco Polo.

• DLT can also enable new forms ...read more
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Q1. What do you know about microservices
Ans. 
Microservices are a software development approach where applications are built as a collection of small, independent services.
• Microservices architecture breaks down a large application into smaller, independent services that can be developed, deployed, and scaled independently.

• Each microservice is responsible for a specific task and communicates with other services through APIs.

• Microservices promote flexibility, scalab...read more
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Q2. What is the process in which cross-border trade is executed
Ans. 
Cross-border trade involves a complex process of documentation, transportation, and customs clearance.
• The exporter prepares the necessary documents such as commercial invoice, packing list, and bill of lading.

• The goods are transported to the port of departure and loaded onto a vessel or aircraft.

• Customs clearance is obtained at the port of arrival, which involves paying duties and taxes and presenting the necessary doc...read more
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Q1. Explain hub and spoke model.
Ans. 
Hub and spoke model is a centralized system where a main hub connects to smaller spokes.
• Central hub serves as the main point of connection

• Spokes are smaller nodes or locations connected to the hub

• Communication and data flow primarily occurs between the hub and spokes

• Commonly used in transportation logistics, airline routes, and IT networking
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Q1. Your organizational expectations.
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Q1. Basics of air conditioning
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Q2. Basics of HVAC Design
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Q1. Asked questions on BCM practice.
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Q1. Asked about US based banking questions.
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