PwC Technical Architect Interview Questions and Answers

Design a system for ticket booking platform

• Utilize a database to store information about events, venues, and available tickets

• Implement a user-friendly interface for customers to search, select, and purchase tickets

• Incorporate payment gateway for secure transactions

• Include features like seat selection, ticket printing, and email confirmation

• Develop an admin panel for managing events, venues, and ticket inventory

Static class is a class that cannot be instantiated and its members can be accessed without creating an object. Polymorphism is the ability of an object to take on many forms. OOP is a programming paradigm based on the concept of objects.

• Static class is used for creating utility classes or for grouping related methods and properties.

• Polymorphism allows objects of different classes to be treated as if they were of the s...read more

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

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

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